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Finding the Fourth Proportional to 45,773.70, 63,173.79 and 25,631.70

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Solution

The fourth proportional to 45,773.70, 63,173.79 and 25,631.70 is: 35,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,773.70 : 63,173.79 = 25,631.70 : x
  2. Step 2: Convert to fraction form
    45,773.70/63,173.79 = 25,631.70/x
  3. Step 3: Cross multiply
    45,773.70x = 63,173.79 × 25,631.70
  4. Step 4: Simplify right side
    45,773.70x = 1,619,251,633.14
  5. Step 5: Solve for x
    x = 1,619,251,633.14/45,773.70
  6. Step 6: Final answer
    x = 35,375.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.