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Finding the Fourth Proportional to 47,734.71, 71,592.66 and 45,363.49

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Solution

The fourth proportional to 47,734.71, 71,592.66 and 45,363.49 is: 68,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,734.71 : 71,592.66 = 45,363.49 : x
  2. Step 2: Convert to fraction form
    47,734.71/71,592.66 = 45,363.49/x
  3. Step 3: Cross multiply
    47,734.71x = 71,592.66 × 45,363.49
  4. Step 4: Simplify right side
    47,734.71x = 3,247,692,915.98
  5. Step 5: Solve for x
    x = 3,247,692,915.98/47,734.71
  6. Step 6: Final answer
    x = 68,036.30

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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.