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Finding the Fourth Proportional to 65,734.87, 98,689.86 and 44,459.03

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Solution

The fourth proportional to 65,734.87, 98,689.86 and 44,459.03 is: 66,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,734.87 : 98,689.86 = 44,459.03 : x
  2. Step 2: Convert to fraction form
    65,734.87/98,689.86 = 44,459.03/x
  3. Step 3: Cross multiply
    65,734.87x = 98,689.86 × 44,459.03
  4. Step 4: Simplify right side
    65,734.87x = 4,387,655,446.44
  5. Step 5: Solve for x
    x = 4,387,655,446.44/65,734.87
  6. Step 6: Final answer
    x = 66,747.76

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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.