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Finding the Fourth Proportional to 8,053.92, 12,082.72 and 2,859.84

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Solution

The fourth proportional to 8,053.92, 12,082.72 and 2,859.84 is: 4,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.92 : 12,082.72 = 2,859.84 : x
  2. Step 2: Convert to fraction form
    8,053.92/12,082.72 = 2,859.84/x
  3. Step 3: Cross multiply
    8,053.92x = 12,082.72 × 2,859.84
  4. Step 4: Simplify right side
    8,053.92x = 34,554,645.96
  5. Step 5: Solve for x
    x = 34,554,645.96/8,053.92
  6. Step 6: Final answer
    x = 4,290.41

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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.