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Finding the Fourth Proportional to 42,166.80, 63,201.51 and 15,854.76

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Solution

The fourth proportional to 42,166.80, 63,201.51 and 15,854.76 is: 23,763.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,166.80 : 63,201.51 = 15,854.76 : x
  2. Step 2: Convert to fraction form
    42,166.80/63,201.51 = 15,854.76/x
  3. Step 3: Cross multiply
    42,166.80x = 63,201.51 × 15,854.76
  4. Step 4: Simplify right side
    42,166.80x = 1,002,044,772.69
  5. Step 5: Solve for x
    x = 1,002,044,772.69/42,166.80
  6. Step 6: Final answer
    x = 23,763.83

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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.