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Finding the Fourth Proportional to 25,578,051.70, 38,367,077.56 and 25,578,051.70

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Solution

The fourth proportional to 25,578,051.70, 38,367,077.56 and 25,578,051.70 is: 38,367,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578,051.70 : 38,367,077.56 = 25,578,051.70 : x
  2. Step 2: Convert to fraction form
    25,578,051.70/38,367,077.56 = 25,578,051.70/x
  3. Step 3: Cross multiply
    25,578,051.70x = 38,367,077.56 × 25,578,051.70
  4. Step 4: Simplify right side
    25,578,051.70x = 981,355,093,407,589.88
  5. Step 5: Solve for x
    x = 981,355,093,407,589.88/25,578,051.70
  6. Step 6: Final answer
    x = 38,367,077.56

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.