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Finding the Fourth Proportional to 71,599.56, 98,834.88 and 47,717.52

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Solution

The fourth proportional to 71,599.56, 98,834.88 and 47,717.52 is: 65,868.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,599.56 : 98,834.88 = 47,717.52 : x
  2. Step 2: Convert to fraction form
    71,599.56/98,834.88 = 47,717.52/x
  3. Step 3: Cross multiply
    71,599.56x = 98,834.88 × 47,717.52
  4. Step 4: Simplify right side
    71,599.56x = 4,716,155,363.10
  5. Step 5: Solve for x
    x = 4,716,155,363.10/71,599.56
  6. Step 6: Final answer
    x = 65,868.50

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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.