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Finding the Fourth Proportional to 48,314.70, 72,472.05 and 34,317.90

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Solution

The fourth proportional to 48,314.70, 72,472.05 and 34,317.90 is: 51,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,314.70 : 72,472.05 = 34,317.90 : x
  2. Step 2: Convert to fraction form
    48,314.70/72,472.05 = 34,317.90/x
  3. Step 3: Cross multiply
    48,314.70x = 72,472.05 × 34,317.90
  4. Step 4: Simplify right side
    48,314.70x = 2,487,088,564.70
  5. Step 5: Solve for x
    x = 2,487,088,564.70/48,314.70
  6. Step 6: Final answer
    x = 51,476.85

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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.