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Finding the Fourth Proportional to 60,641.67, 83,720.24 and 40,532.61

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Solution

The fourth proportional to 60,641.67, 83,720.24 and 40,532.61 is: 55,958.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,641.67 : 83,720.24 = 40,532.61 : x
  2. Step 2: Convert to fraction form
    60,641.67/83,720.24 = 40,532.61/x
  3. Step 3: Cross multiply
    60,641.67x = 83,720.24 × 40,532.61
  4. Step 4: Simplify right side
    60,641.67x = 3,393,399,634.36
  5. Step 5: Solve for x
    x = 3,393,399,634.36/60,641.67
  6. Step 6: Final answer
    x = 55,958.22

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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.