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Finding the Fourth Proportional to 59,760.64, 89,641.02 and 15,387.49

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Solution

The fourth proportional to 59,760.64, 89,641.02 and 15,387.49 is: 23,081.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,760.64 : 89,641.02 = 15,387.49 : x
  2. Step 2: Convert to fraction form
    59,760.64/89,641.02 = 15,387.49/x
  3. Step 3: Cross multiply
    59,760.64x = 89,641.02 × 15,387.49
  4. Step 4: Simplify right side
    59,760.64x = 1,379,350,298.84
  5. Step 5: Solve for x
    x = 1,379,350,298.84/59,760.64
  6. Step 6: Final answer
    x = 23,081.25

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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.