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Finding the Fourth Proportional to 25,578,164.20, 38,367,246.30 and 25,578,164.20

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Solution

The fourth proportional to 25,578,164.20, 38,367,246.30 and 25,578,164.20 is: 38,367,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578,164.20 : 38,367,246.30 = 25,578,164.20 : x
  2. Step 2: Convert to fraction form
    25,578,164.20/38,367,246.30 = 25,578,164.20/x
  3. Step 3: Cross multiply
    25,578,164.20x = 38,367,246.30 × 25,578,164.20
  4. Step 4: Simplify right side
    25,578,164.20x = 981,363,725,763,242.38
  5. Step 5: Solve for x
    x = 981,363,725,763,242.38/25,578,164.20
  6. Step 6: Final answer
    x = 38,367,246.30

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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.