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Finding the Fourth Proportional to 17,718.66, 24,452.86 and 9,760.88

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Solution

The fourth proportional to 17,718.66, 24,452.86 and 9,760.88 is: 13,470.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.66 : 24,452.86 = 9,760.88 : x
  2. Step 2: Convert to fraction form
    17,718.66/24,452.86 = 9,760.88/x
  3. Step 3: Cross multiply
    17,718.66x = 24,452.86 × 9,760.88
  4. Step 4: Simplify right side
    17,718.66x = 238,681,432.12
  5. Step 5: Solve for x
    x = 238,681,432.12/17,718.66
  6. Step 6: Final answer
    x = 13,470.63

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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.