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Finding the Fourth Proportional to 29,168.70, 43,760.02 and 9,447.28

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Solution

The fourth proportional to 29,168.70, 43,760.02 and 9,447.28 is: 14,173.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,168.70 : 43,760.02 = 9,447.28 : x
  2. Step 2: Convert to fraction form
    29,168.70/43,760.02 = 9,447.28/x
  3. Step 3: Cross multiply
    29,168.70x = 43,760.02 × 9,447.28
  4. Step 4: Simplify right side
    29,168.70x = 413,413,161.75
  5. Step 5: Solve for x
    x = 413,413,161.75/29,168.70
  6. Step 6: Final answer
    x = 14,173.18

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1.5x scale

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.