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Finding the Fourth Proportional to 17,693.65, 24,418.04 and 10,981.44

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Solution

The fourth proportional to 17,693.65, 24,418.04 and 10,981.44 is: 15,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.65 : 24,418.04 = 10,981.44 : x
  2. Step 2: Convert to fraction form
    17,693.65/24,418.04 = 10,981.44/x
  3. Step 3: Cross multiply
    17,693.65x = 24,418.04 × 10,981.44
  4. Step 4: Simplify right side
    17,693.65x = 268,145,335.01
  5. Step 5: Solve for x
    x = 268,145,335.01/17,693.65
  6. Step 6: Final answer
    x = 15,154.89

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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.