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Finding the Fourth Proportional to 71,474, 98,569.56 and 44,618.99

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Solution

The fourth proportional to 71,474, 98,569.56 and 44,618.99 is: 61,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,474 : 98,569.56 = 44,618.99 : x
  2. Step 2: Convert to fraction form
    71,474/98,569.56 = 44,618.99/x
  3. Step 3: Cross multiply
    71,474x = 98,569.56 × 44,618.99
  4. Step 4: Simplify right side
    71,474x = 4,398,074,211.94
  5. Step 5: Solve for x
    x = 4,398,074,211.94/71,474
  6. Step 6: Final answer
    x = 61,533.90

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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.