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Finding the Fourth Proportional to 29,379.31, 40,517.31 and 23,712.24

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Solution

The fourth proportional to 29,379.31, 40,517.31 and 23,712.24 is: 32,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379.31 : 40,517.31 = 23,712.24 : x
  2. Step 2: Convert to fraction form
    29,379.31/40,517.31 = 23,712.24/x
  3. Step 3: Cross multiply
    29,379.31x = 40,517.31 × 23,712.24
  4. Step 4: Simplify right side
    29,379.31x = 960,756,419.74
  5. Step 5: Solve for x
    x = 960,756,419.74/29,379.31
  6. Step 6: Final answer
    x = 32,701.81

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1.5x scale

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.