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Finding the Fourth Proportional to 59,760.76, 89,633.79 and 15,387.76

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Solution

The fourth proportional to 59,760.76, 89,633.79 and 15,387.76 is: 23,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,760.76 : 89,633.79 = 15,387.76 : x
  2. Step 2: Convert to fraction form
    59,760.76/89,633.79 = 15,387.76/x
  3. Step 3: Cross multiply
    59,760.76x = 89,633.79 × 15,387.76
  4. Step 4: Simplify right side
    59,760.76x = 1,379,263,248.41
  5. Step 5: Solve for x
    x = 1,379,263,248.41/59,760.76
  6. Step 6: Final answer
    x = 23,079.75

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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.