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Finding the Fourth Proportional to 8,841.92, 12,200.31 and 5,013.36

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Solution

The fourth proportional to 8,841.92, 12,200.31 and 5,013.36 is: 6,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.92 : 12,200.31 = 5,013.36 : x
  2. Step 2: Convert to fraction form
    8,841.92/12,200.31 = 5,013.36/x
  3. Step 3: Cross multiply
    8,841.92x = 12,200.31 × 5,013.36
  4. Step 4: Simplify right side
    8,841.92x = 61,164,546.14
  5. Step 5: Solve for x
    x = 61,164,546.14/8,841.92
  6. Step 6: Final answer
    x = 6,917.57

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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.