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Finding the Fourth Proportional to 62,757.74, 86,617.95 and 38,895.02

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Solution

The fourth proportional to 62,757.74, 86,617.95 and 38,895.02 is: 53,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,757.74 : 86,617.95 = 38,895.02 : x
  2. Step 2: Convert to fraction form
    62,757.74/86,617.95 = 38,895.02/x
  3. Step 3: Cross multiply
    62,757.74x = 86,617.95 × 38,895.02
  4. Step 4: Simplify right side
    62,757.74x = 3,369,006,897.61
  5. Step 5: Solve for x
    x = 3,369,006,897.61/62,757.74
  6. Step 6: Final answer
    x = 53,682.73

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1.5x scale

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.