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Finding the Fourth Proportional to 40,691.70, 60,964.65 and 36,026.10

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Solution

The fourth proportional to 40,691.70, 60,964.65 and 36,026.10 is: 53,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.70 : 60,964.65 = 36,026.10 : x
  2. Step 2: Convert to fraction form
    40,691.70/60,964.65 = 36,026.10/x
  3. Step 3: Cross multiply
    40,691.70x = 60,964.65 × 36,026.10
  4. Step 4: Simplify right side
    40,691.70x = 2,196,318,577.37
  5. Step 5: Solve for x
    x = 2,196,318,577.37/40,691.70
  6. Step 6: Final answer
    x = 53,974.61

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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.