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Finding the Fourth Proportional to 9,956.28, 14,986.29 and 8,452.92

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Solution

The fourth proportional to 9,956.28, 14,986.29 and 8,452.92 is: 12,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.28 : 14,986.29 = 8,452.92 : x
  2. Step 2: Convert to fraction form
    9,956.28/14,986.29 = 8,452.92/x
  3. Step 3: Cross multiply
    9,956.28x = 14,986.29 × 8,452.92
  4. Step 4: Simplify right side
    9,956.28x = 126,677,910.47
  5. Step 5: Solve for x
    x = 126,677,910.47/9,956.28
  6. Step 6: Final answer
    x = 12,723.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.