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Finding the Fourth Proportional to 2,863.72, 3,952.02 and 2,024.20

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Solution

The fourth proportional to 2,863.72, 3,952.02 and 2,024.20 is: 2,793.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.72 : 3,952.02 = 2,024.20 : x
  2. Step 2: Convert to fraction form
    2,863.72/3,952.02 = 2,024.20/x
  3. Step 3: Cross multiply
    2,863.72x = 3,952.02 × 2,024.20
  4. Step 4: Simplify right side
    2,863.72x = 7,999,678.88
  5. Step 5: Solve for x
    x = 7,999,678.88/2,863.72
  6. Step 6: Final answer
    x = 2,793.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.