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Finding the Fourth Proportional to 8,881.92, 13,324.14 and 3,951.44

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Solution

The fourth proportional to 8,881.92, 13,324.14 and 3,951.44 is: 5,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.92 : 13,324.14 = 3,951.44 : x
  2. Step 2: Convert to fraction form
    8,881.92/13,324.14 = 3,951.44/x
  3. Step 3: Cross multiply
    8,881.92x = 13,324.14 × 3,951.44
  4. Step 4: Simplify right side
    8,881.92x = 52,649,539.76
  5. Step 5: Solve for x
    x = 52,649,539.76/8,881.92
  6. Step 6: Final answer
    x = 5,927.72

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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.