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Finding the Fourth Proportional to 19,446.80, 29,163 and 15,294.88

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Solution

The fourth proportional to 19,446.80, 29,163 and 15,294.88 is: 22,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.80 : 29,163 = 15,294.88 : x
  2. Step 2: Convert to fraction form
    19,446.80/29,163 = 15,294.88/x
  3. Step 3: Cross multiply
    19,446.80x = 29,163 × 15,294.88
  4. Step 4: Simplify right side
    19,446.80x = 446,044,585.44
  5. Step 5: Solve for x
    x = 446,044,585.44/19,446.80
  6. Step 6: Final answer
    x = 22,936.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.