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Finding the Fourth Proportional to 47,617.80, 71,591.40 and 44,534.40

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Solution

The fourth proportional to 47,617.80, 71,591.40 and 44,534.40 is: 66,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,617.80 : 71,591.40 = 44,534.40 : x
  2. Step 2: Convert to fraction form
    47,617.80/71,591.40 = 44,534.40/x
  3. Step 3: Cross multiply
    47,617.80x = 71,591.40 × 44,534.40
  4. Step 4: Simplify right side
    47,617.80x = 3,188,280,044.16
  5. Step 5: Solve for x
    x = 3,188,280,044.16/47,617.80
  6. Step 6: Final answer
    x = 66,955.64

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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.