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Finding the Fourth Proportional to 8,881.92, 13,324.80 and 3,336.96

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Solution

The fourth proportional to 8,881.92, 13,324.80 and 3,336.96 is: 5,006.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881.92 : 13,324.80 = 3,336.96 : x
  2. Step 2: Convert to fraction form
    8,881.92/13,324.80 = 3,336.96/x
  3. Step 3: Cross multiply
    8,881.92x = 13,324.80 × 3,336.96
  4. Step 4: Simplify right side
    8,881.92x = 44,464,324.61
  5. Step 5: Solve for x
    x = 44,464,324.61/8,881.92
  6. Step 6: Final answer
    x = 5,006.16

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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.