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Finding the Fourth Proportional to 8,951.92, 13,425.85 and 3,403.29

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Solution

The fourth proportional to 8,951.92, 13,425.85 and 3,403.29 is: 5,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.92 : 13,425.85 = 3,403.29 : x
  2. Step 2: Convert to fraction form
    8,951.92/13,425.85 = 3,403.29/x
  3. Step 3: Cross multiply
    8,951.92x = 13,425.85 × 3,403.29
  4. Step 4: Simplify right side
    8,951.92x = 45,692,061.05
  5. Step 5: Solve for x
    x = 45,692,061.05/8,951.92
  6. Step 6: Final answer
    x = 5,104.16

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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.