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Finding the Fourth Proportional to 8,753.97, 12,080.65 and 4,775.23

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Solution

The fourth proportional to 8,753.97, 12,080.65 and 4,775.23 is: 6,589.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.97 : 12,080.65 = 4,775.23 : x
  2. Step 2: Convert to fraction form
    8,753.97/12,080.65 = 4,775.23/x
  3. Step 3: Cross multiply
    8,753.97x = 12,080.65 × 4,775.23
  4. Step 4: Simplify right side
    8,753.97x = 57,687,840.16
  5. Step 5: Solve for x
    x = 57,687,840.16/8,753.97
  6. Step 6: Final answer
    x = 6,589.91

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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.