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Finding the Fourth Proportional to 65,691.48, 98,536.20 and 44,579.10

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Solution

The fourth proportional to 65,691.48, 98,536.20 and 44,579.10 is: 66,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,691.48 : 98,536.20 = 44,579.10 : x
  2. Step 2: Convert to fraction form
    65,691.48/98,536.20 = 44,579.10/x
  3. Step 3: Cross multiply
    65,691.48x = 98,536.20 × 44,579.10
  4. Step 4: Simplify right side
    65,691.48x = 4,392,655,113.42
  5. Step 5: Solve for x
    x = 4,392,655,113.42/65,691.48
  6. Step 6: Final answer
    x = 66,867.96

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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.