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Finding the Fourth Proportional to 29,169.32, 40,251.38 and 17,230.38

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Solution

The fourth proportional to 29,169.32, 40,251.38 and 17,230.38 is: 23,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.32 : 40,251.38 = 17,230.38 : x
  2. Step 2: Convert to fraction form
    29,169.32/40,251.38 = 17,230.38/x
  3. Step 3: Cross multiply
    29,169.32x = 40,251.38 × 17,230.38
  4. Step 4: Simplify right side
    29,169.32x = 693,546,572.92
  5. Step 5: Solve for x
    x = 693,546,572.92/29,169.32
  6. Step 6: Final answer
    x = 23,776.58

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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.