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Finding the Fourth Proportional to 2,592.08, 3,882.40 and 1,863.08

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Solution

The fourth proportional to 2,592.08, 3,882.40 and 1,863.08 is: 2,790.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.08 : 3,882.40 = 1,863.08 : x
  2. Step 2: Convert to fraction form
    2,592.08/3,882.40 = 1,863.08/x
  3. Step 3: Cross multiply
    2,592.08x = 3,882.40 × 1,863.08
  4. Step 4: Simplify right side
    2,592.08x = 7,233,221.79
  5. Step 5: Solve for x
    x = 7,233,221.79/2,592.08
  6. Step 6: Final answer
    x = 2,790.51

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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.