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Finding the Fourth Proportional to 8,122.52, 12,175.02 and 3,441.44

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Solution

The fourth proportional to 8,122.52, 12,175.02 and 3,441.44 is: 5,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.52 : 12,175.02 = 3,441.44 : x
  2. Step 2: Convert to fraction form
    8,122.52/12,175.02 = 3,441.44/x
  3. Step 3: Cross multiply
    8,122.52x = 12,175.02 × 3,441.44
  4. Step 4: Simplify right side
    8,122.52x = 41,899,600.83
  5. Step 5: Solve for x
    x = 41,899,600.83/8,122.52
  6. Step 6: Final answer
    x = 5,158.45

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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.