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Finding the Fourth Proportional to 29,169.83, 40,255.18 and 17,839.12

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Solution

The fourth proportional to 29,169.83, 40,255.18 and 17,839.12 is: 24,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.83 : 40,255.18 = 17,839.12 : x
  2. Step 2: Convert to fraction form
    29,169.83/40,255.18 = 17,839.12/x
  3. Step 3: Cross multiply
    29,169.83x = 40,255.18 × 17,839.12
  4. Step 4: Simplify right side
    29,169.83x = 718,117,143.15
  5. Step 5: Solve for x
    x = 718,117,143.15/29,169.83
  6. Step 6: Final answer
    x = 24,618.49

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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.