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Finding the Fourth Proportional to 29,375.25, 40,540.29 and 16,802.43

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Solution

The fourth proportional to 29,375.25, 40,540.29 and 16,802.43 is: 23,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,375.25 : 40,540.29 = 16,802.43 : x
  2. Step 2: Convert to fraction form
    29,375.25/40,540.29 = 16,802.43/x
  3. Step 3: Cross multiply
    29,375.25x = 40,540.29 × 16,802.43
  4. Step 4: Simplify right side
    29,375.25x = 681,175,384.90
  5. Step 5: Solve for x
    x = 681,175,384.90/29,375.25
  6. Step 6: Final answer
    x = 23,188.75

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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.