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Finding the Fourth Proportional to 8,750.42, 12,080.04 and 5,932.70

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Solution

The fourth proportional to 8,750.42, 12,080.04 and 5,932.70 is: 8,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.42 : 12,080.04 = 5,932.70 : x
  2. Step 2: Convert to fraction form
    8,750.42/12,080.04 = 5,932.70/x
  3. Step 3: Cross multiply
    8,750.42x = 12,080.04 × 5,932.70
  4. Step 4: Simplify right side
    8,750.42x = 71,667,253.31
  5. Step 5: Solve for x
    x = 71,667,253.31/8,750.42
  6. Step 6: Final answer
    x = 8,190.15

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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.