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Finding the Fourth Proportional to 60,661.73, 91,320.17 and 54,558.43

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Solution

The fourth proportional to 60,661.73, 91,320.17 and 54,558.43 is: 82,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.73 : 91,320.17 = 54,558.43 : x
  2. Step 2: Convert to fraction form
    60,661.73/91,320.17 = 54,558.43/x
  3. Step 3: Cross multiply
    60,661.73x = 91,320.17 × 54,558.43
  4. Step 4: Simplify right side
    60,661.73x = 4,982,284,601.44
  5. Step 5: Solve for x
    x = 4,982,284,601.44/60,661.73
  6. Step 6: Final answer
    x = 82,132.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.