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Finding the Fourth Proportional to 65,209.76, 97,814.64 and 18,463.04

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Solution

The fourth proportional to 65,209.76, 97,814.64 and 18,463.04 is: 27,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,209.76 : 97,814.64 = 18,463.04 : x
  2. Step 2: Convert to fraction form
    65,209.76/97,814.64 = 18,463.04/x
  3. Step 3: Cross multiply
    65,209.76x = 97,814.64 × 18,463.04
  4. Step 4: Simplify right side
    65,209.76x = 1,805,955,610.91
  5. Step 5: Solve for x
    x = 1,805,955,610.91/65,209.76
  6. Step 6: Final answer
    x = 27,694.56

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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.