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Finding the Fourth Proportional to 3,863.52, 5,329.56 and 2,444.64

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Solution

The fourth proportional to 3,863.52, 5,329.56 and 2,444.64 is: 3,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.52 : 5,329.56 = 2,444.64 : x
  2. Step 2: Convert to fraction form
    3,863.52/5,329.56 = 2,444.64/x
  3. Step 3: Cross multiply
    3,863.52x = 5,329.56 × 2,444.64
  4. Step 4: Simplify right side
    3,863.52x = 13,028,855.56
  5. Step 5: Solve for x
    x = 13,028,855.56/3,863.52
  6. Step 6: Final answer
    x = 3,372.28

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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.