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Finding the Fourth Proportional to 59,387.52, 89,081.12 and 19,944.80

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Solution

The fourth proportional to 59,387.52, 89,081.12 and 19,944.80 is: 29,917.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,387.52 : 89,081.12 = 19,944.80 : x
  2. Step 2: Convert to fraction form
    59,387.52/89,081.12 = 19,944.80/x
  3. Step 3: Cross multiply
    59,387.52x = 89,081.12 × 19,944.80
  4. Step 4: Simplify right side
    59,387.52x = 1,776,705,122.18
  5. Step 5: Solve for x
    x = 1,776,705,122.18/59,387.52
  6. Step 6: Final answer
    x = 29,917.15

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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.