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Finding the Fourth Proportional to 45,487.62, 62,700.21 and 30,350.34

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Solution

The fourth proportional to 45,487.62, 62,700.21 and 30,350.34 is: 41,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,487.62 : 62,700.21 = 30,350.34 : x
  2. Step 2: Convert to fraction form
    45,487.62/62,700.21 = 30,350.34/x
  3. Step 3: Cross multiply
    45,487.62x = 62,700.21 × 30,350.34
  4. Step 4: Simplify right side
    45,487.62x = 1,902,972,691.57
  5. Step 5: Solve for x
    x = 1,902,972,691.57/45,487.62
  6. Step 6: Final answer
    x = 41,834.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.