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Finding the Fourth Proportional to 8,500.92, 12,750.36 and 2,261.42

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Solution

The fourth proportional to 8,500.92, 12,750.36 and 2,261.42 is: 3,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.92 : 12,750.36 = 2,261.42 : x
  2. Step 2: Convert to fraction form
    8,500.92/12,750.36 = 2,261.42/x
  3. Step 3: Cross multiply
    8,500.92x = 12,750.36 × 2,261.42
  4. Step 4: Simplify right side
    8,500.92x = 28,833,855.36
  5. Step 5: Solve for x
    x = 28,833,855.36/8,500.92
  6. Step 6: Final answer
    x = 3,391.85

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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.