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Finding the Fourth Proportional to 62,497.84, 86,217.20 and 38,615.92

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Solution

The fourth proportional to 62,497.84, 86,217.20 and 38,615.92 is: 53,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,497.84 : 86,217.20 = 38,615.92 : x
  2. Step 2: Convert to fraction form
    62,497.84/86,217.20 = 38,615.92/x
  3. Step 3: Cross multiply
    62,497.84x = 86,217.20 × 38,615.92
  4. Step 4: Simplify right side
    62,497.84x = 3,329,356,497.82
  5. Step 5: Solve for x
    x = 3,329,356,497.82/62,497.84
  6. Step 6: Final answer
    x = 53,271.55

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