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Finding the Fourth Proportional to 65,089.68, 89,825.28 and 36,797.04

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Solution

The fourth proportional to 65,089.68, 89,825.28 and 36,797.04 is: 50,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,089.68 : 89,825.28 = 36,797.04 : x
  2. Step 2: Convert to fraction form
    65,089.68/89,825.28 = 36,797.04/x
  3. Step 3: Cross multiply
    65,089.68x = 89,825.28 × 36,797.04
  4. Step 4: Simplify right side
    65,089.68x = 3,305,304,421.17
  5. Step 5: Solve for x
    x = 3,305,304,421.17/65,089.68
  6. Step 6: Final answer
    x = 50,780.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.