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Finding the Fourth Proportional to 48,696.30, 73,044.45 and 47,529.90

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Solution

The fourth proportional to 48,696.30, 73,044.45 and 47,529.90 is: 71,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,696.30 : 73,044.45 = 47,529.90 : x
  2. Step 2: Convert to fraction form
    48,696.30/73,044.45 = 47,529.90/x
  3. Step 3: Cross multiply
    48,696.30x = 73,044.45 × 47,529.90
  4. Step 4: Simplify right side
    48,696.30x = 3,471,795,404.06
  5. Step 5: Solve for x
    x = 3,471,795,404.06/48,696.30
  6. Step 6: Final answer
    x = 71,294.85

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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.