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Finding the Fourth Proportional to 65,964.62, 98,937.36 and 21,593.13

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Solution

The fourth proportional to 65,964.62, 98,937.36 and 21,593.13 is: 32,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,964.62 : 98,937.36 = 21,593.13 : x
  2. Step 2: Convert to fraction form
    65,964.62/98,937.36 = 21,593.13/x
  3. Step 3: Cross multiply
    65,964.62x = 98,937.36 × 21,593.13
  4. Step 4: Simplify right side
    65,964.62x = 2,136,367,276.34
  5. Step 5: Solve for x
    x = 2,136,367,276.34/65,964.62
  6. Step 6: Final answer
    x = 32,386.56

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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.