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Finding the Fourth Proportional to 29,981.85, 41,375.16 and 16,553.19

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Solution

The fourth proportional to 29,981.85, 41,375.16 and 16,553.19 is: 22,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,981.85 : 41,375.16 = 16,553.19 : x
  2. Step 2: Convert to fraction form
    29,981.85/41,375.16 = 16,553.19/x
  3. Step 3: Cross multiply
    29,981.85x = 41,375.16 × 16,553.19
  4. Step 4: Simplify right side
    29,981.85x = 684,890,884.76
  5. Step 5: Solve for x
    x = 684,890,884.76/29,981.85
  6. Step 6: Final answer
    x = 22,843.52

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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.