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Finding the Fourth Proportional to 29,697.92, 40,983.13 and 17,761.26

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Solution

The fourth proportional to 29,697.92, 40,983.13 and 17,761.26 is: 24,510.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,697.92 : 40,983.13 = 17,761.26 : x
  2. Step 2: Convert to fraction form
    29,697.92/40,983.13 = 17,761.26/x
  3. Step 3: Cross multiply
    29,697.92x = 40,983.13 × 17,761.26
  4. Step 4: Simplify right side
    29,697.92x = 727,911,757.73
  5. Step 5: Solve for x
    x = 727,911,757.73/29,697.92
  6. Step 6: Final answer
    x = 24,510.53

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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.