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Finding the Fourth Proportional to 62,756, 94,142.80 and 18,385.92

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Solution

The fourth proportional to 62,756, 94,142.80 and 18,385.92 is: 27,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,756 : 94,142.80 = 18,385.92 : x
  2. Step 2: Convert to fraction form
    62,756/94,142.80 = 18,385.92/x
  3. Step 3: Cross multiply
    62,756x = 94,142.80 × 18,385.92
  4. Step 4: Simplify right side
    62,756x = 1,730,901,989.38
  5. Step 5: Solve for x
    x = 1,730,901,989.38/62,756
  6. Step 6: Final answer
    x = 27,581.46

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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.