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Finding the Fourth Proportional to 71,801.28, 107,700.96 and 25,053.92

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Solution

The fourth proportional to 71,801.28, 107,700.96 and 25,053.92 is: 37,580.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,801.28 : 107,700.96 = 25,053.92 : x
  2. Step 2: Convert to fraction form
    71,801.28/107,700.96 = 25,053.92/x
  3. Step 3: Cross multiply
    71,801.28x = 107,700.96 × 25,053.92
  4. Step 4: Simplify right side
    71,801.28x = 2,698,331,235.76
  5. Step 5: Solve for x
    x = 2,698,331,235.76/71,801.28
  6. Step 6: Final answer
    x = 37,580.55

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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.