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Finding the Fourth Proportional to 18,073.75, 24,941.90 and 10,116.71

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Solution

The fourth proportional to 18,073.75, 24,941.90 and 10,116.71 is: 13,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.75 : 24,941.90 = 10,116.71 : x
  2. Step 2: Convert to fraction form
    18,073.75/24,941.90 = 10,116.71/x
  3. Step 3: Cross multiply
    18,073.75x = 24,941.90 × 10,116.71
  4. Step 4: Simplify right side
    18,073.75x = 252,329,969.15
  5. Step 5: Solve for x
    x = 252,329,969.15/18,073.75
  6. Step 6: Final answer
    x = 13,961.13

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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.