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Finding the Fourth Proportional to 60,707.70, 91,061.55 and 32,640.97

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Solution

The fourth proportional to 60,707.70, 91,061.55 and 32,640.97 is: 48,961.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,707.70 : 91,061.55 = 32,640.97 : x
  2. Step 2: Convert to fraction form
    60,707.70/91,061.55 = 32,640.97/x
  3. Step 3: Cross multiply
    60,707.70x = 91,061.55 × 32,640.97
  4. Step 4: Simplify right side
    60,707.70x = 2,972,337,158.50
  5. Step 5: Solve for x
    x = 2,972,337,158.50/60,707.70
  6. Step 6: Final answer
    x = 48,961.46

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Similar ratio
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1.5x scale

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.