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Finding the Fourth Proportional to 29,579.38, 44,371.20 and 9,314.40

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Solution

The fourth proportional to 29,579.38, 44,371.20 and 9,314.40 is: 13,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.38 : 44,371.20 = 9,314.40 : x
  2. Step 2: Convert to fraction form
    29,579.38/44,371.20 = 9,314.40/x
  3. Step 3: Cross multiply
    29,579.38x = 44,371.20 × 9,314.40
  4. Step 4: Simplify right side
    29,579.38x = 413,291,105.28
  5. Step 5: Solve for x
    x = 413,291,105.28/29,579.38
  6. Step 6: Final answer
    x = 13,972.27

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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.