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Finding the Fourth Proportional to 54,591.65, 81,887.48 and 15,148.77

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Solution

The fourth proportional to 54,591.65, 81,887.48 and 15,148.77 is: 22,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,591.65 : 81,887.48 = 15,148.77 : x
  2. Step 2: Convert to fraction form
    54,591.65/81,887.48 = 15,148.77/x
  3. Step 3: Cross multiply
    54,591.65x = 81,887.48 × 15,148.77
  4. Step 4: Simplify right side
    54,591.65x = 1,240,494,600.40
  5. Step 5: Solve for x
    x = 1,240,494,600.40/54,591.65
  6. Step 6: Final answer
    x = 22,723.16

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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.