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Finding the Fourth Proportional to 71,566.47, 98,783.52 and 44,691.87

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Solution

The fourth proportional to 71,566.47, 98,783.52 and 44,691.87 is: 61,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,566.47 : 98,783.52 = 44,691.87 : x
  2. Step 2: Convert to fraction form
    71,566.47/98,783.52 = 44,691.87/x
  3. Step 3: Cross multiply
    71,566.47x = 98,783.52 × 44,691.87
  4. Step 4: Simplify right side
    71,566.47x = 4,414,820,233.98
  5. Step 5: Solve for x
    x = 4,414,820,233.98/71,566.47
  6. Step 6: Final answer
    x = 61,688.39

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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.