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Finding the Fourth Proportional to 62,581.80, 93,871.89 and 15,197.28

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Solution

The fourth proportional to 62,581.80, 93,871.89 and 15,197.28 is: 22,795.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,581.80 : 93,871.89 = 15,197.28 : x
  2. Step 2: Convert to fraction form
    62,581.80/93,871.89 = 15,197.28/x
  3. Step 3: Cross multiply
    62,581.80x = 93,871.89 × 15,197.28
  4. Step 4: Simplify right side
    62,581.80x = 1,426,597,396.46
  5. Step 5: Solve for x
    x = 1,426,597,396.46/62,581.80
  6. Step 6: Final answer
    x = 22,795.72

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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.