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Finding the Fourth Proportional to 65,592, 98,404.61 and 18,844.88

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Solution

The fourth proportional to 65,592, 98,404.61 and 18,844.88 is: 28,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,592 : 98,404.61 = 18,844.88 : x
  2. Step 2: Convert to fraction form
    65,592/98,404.61 = 18,844.88/x
  3. Step 3: Cross multiply
    65,592x = 98,404.61 × 18,844.88
  4. Step 4: Simplify right side
    65,592x = 1,854,423,066.90
  5. Step 5: Solve for x
    x = 1,854,423,066.90/65,592
  6. Step 6: Final answer
    x = 28,272.09

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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.