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Finding the Fourth Proportional to 17,888.84, 24,691.41 and 11,170.43

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Solution

The fourth proportional to 17,888.84, 24,691.41 and 11,170.43 is: 15,418.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,888.84 : 24,691.41 = 11,170.43 : x
  2. Step 2: Convert to fraction form
    17,888.84/24,691.41 = 11,170.43/x
  3. Step 3: Cross multiply
    17,888.84x = 24,691.41 × 11,170.43
  4. Step 4: Simplify right side
    17,888.84x = 275,813,543.55
  5. Step 5: Solve for x
    x = 275,813,543.55/17,888.84
  6. Step 6: Final answer
    x = 15,418.19

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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.