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Finding the Fourth Proportional to 48,329.90, 72,640.65 and 41,914.70

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Solution

The fourth proportional to 48,329.90, 72,640.65 and 41,914.70 is: 62,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,329.90 : 72,640.65 = 41,914.70 : x
  2. Step 2: Convert to fraction form
    48,329.90/72,640.65 = 41,914.70/x
  3. Step 3: Cross multiply
    48,329.90x = 72,640.65 × 41,914.70
  4. Step 4: Simplify right side
    48,329.90x = 3,044,711,052.56
  5. Step 5: Solve for x
    x = 3,044,711,052.56/48,329.90
  6. Step 6: Final answer
    x = 62,998.50

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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.