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Finding the Fourth Proportional to 8,062.81, 12,094.62 and 3,380.20

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Solution

The fourth proportional to 8,062.81, 12,094.62 and 3,380.20 is: 5,070.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.81 : 12,094.62 = 3,380.20 : x
  2. Step 2: Convert to fraction form
    8,062.81/12,094.62 = 3,380.20/x
  3. Step 3: Cross multiply
    8,062.81x = 12,094.62 × 3,380.20
  4. Step 4: Simplify right side
    8,062.81x = 40,882,234.52
  5. Step 5: Solve for x
    x = 40,882,234.52/8,062.81
  6. Step 6: Final answer
    x = 5,070.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.