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Finding the Fourth Proportional to 29,164.40, 43,757.40 and 9,443.60

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Solution

The fourth proportional to 29,164.40, 43,757.40 and 9,443.60 is: 14,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,164.40 : 43,757.40 = 9,443.60 : x
  2. Step 2: Convert to fraction form
    29,164.40/43,757.40 = 9,443.60/x
  3. Step 3: Cross multiply
    29,164.40x = 43,757.40 × 9,443.60
  4. Step 4: Simplify right side
    29,164.40x = 413,227,382.64
  5. Step 5: Solve for x
    x = 413,227,382.64/29,164.40
  6. Step 6: Final answer
    x = 14,168.90

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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.