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Finding the Fourth Proportional to 8,841.05, 12,125.90 and 7,844.60

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Solution

The fourth proportional to 8,841.05, 12,125.90 and 7,844.60 is: 10,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.05 : 12,125.90 = 7,844.60 : x
  2. Step 2: Convert to fraction form
    8,841.05/12,125.90 = 7,844.60/x
  3. Step 3: Cross multiply
    8,841.05x = 12,125.90 × 7,844.60
  4. Step 4: Simplify right side
    8,841.05x = 95,122,772.73
  5. Step 5: Solve for x
    x = 95,122,772.73/8,841.05
  6. Step 6: Final answer
    x = 10,759.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.