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Finding the Fourth Proportional to 8,839.08, 12,201.08 and 5,855.88

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Solution

The fourth proportional to 8,839.08, 12,201.08 and 5,855.88 is: 8,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.08 : 12,201.08 = 5,855.88 : x
  2. Step 2: Convert to fraction form
    8,839.08/12,201.08 = 5,855.88/x
  3. Step 3: Cross multiply
    8,839.08x = 12,201.08 × 5,855.88
  4. Step 4: Simplify right side
    8,839.08x = 71,448,031.07
  5. Step 5: Solve for x
    x = 71,448,031.07/8,839.08
  6. Step 6: Final answer
    x = 8,083.20

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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.