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Finding the Fourth Proportional to 60,532.52, 90,813.96 and 21,089.97

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Solution

The fourth proportional to 60,532.52, 90,813.96 and 21,089.97 is: 31,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,532.52 : 90,813.96 = 21,089.97 : x
  2. Step 2: Convert to fraction form
    60,532.52/90,813.96 = 21,089.97/x
  3. Step 3: Cross multiply
    60,532.52x = 90,813.96 × 21,089.97
  4. Step 4: Simplify right side
    60,532.52x = 1,915,263,691.98
  5. Step 5: Solve for x
    x = 1,915,263,691.98/60,532.52
  6. Step 6: Final answer
    x = 31,640.25

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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.