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Finding the Fourth Proportional to 52,552.70, 78,829.05 and 48,251.90

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Solution

The fourth proportional to 52,552.70, 78,829.05 and 48,251.90 is: 72,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.70 : 78,829.05 = 48,251.90 : x
  2. Step 2: Convert to fraction form
    52,552.70/78,829.05 = 48,251.90/x
  3. Step 3: Cross multiply
    52,552.70x = 78,829.05 × 48,251.90
  4. Step 4: Simplify right side
    52,552.70x = 3,803,651,437.70
  5. Step 5: Solve for x
    x = 3,803,651,437.70/52,552.70
  6. Step 6: Final answer
    x = 72,377.85

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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.