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Finding the Fourth Proportional to 65,591.52, 98,387.28 and 18,844.44

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Solution

The fourth proportional to 65,591.52, 98,387.28 and 18,844.44 is: 28,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.52 : 98,387.28 = 18,844.44 : x
  2. Step 2: Convert to fraction form
    65,591.52/98,387.28 = 18,844.44/x
  3. Step 3: Cross multiply
    65,591.52x = 98,387.28 × 18,844.44
  4. Step 4: Simplify right side
    65,591.52x = 1,854,053,194.72
  5. Step 5: Solve for x
    x = 1,854,053,194.72/65,591.52
  6. Step 6: Final answer
    x = 28,266.66

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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.