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Finding the Fourth Proportional to 40,691.01, 60,975.21 and 36,256.61

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Solution

The fourth proportional to 40,691.01, 60,975.21 and 36,256.61 is: 54,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.01 : 60,975.21 = 36,256.61 : x
  2. Step 2: Convert to fraction form
    40,691.01/60,975.21 = 36,256.61/x
  3. Step 3: Cross multiply
    40,691.01x = 60,975.21 × 36,256.61
  4. Step 4: Simplify right side
    40,691.01x = 2,210,754,651.72
  5. Step 5: Solve for x
    x = 2,210,754,651.72/40,691.01
  6. Step 6: Final answer
    x = 54,330.30

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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.