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Finding the Fourth Proportional to 4,863.88, 7,283.22 and 3,542.20

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Solution

The fourth proportional to 4,863.88, 7,283.22 and 3,542.20 is: 5,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,863.88 : 7,283.22 = 3,542.20 : x
  2. Step 2: Convert to fraction form
    4,863.88/7,283.22 = 3,542.20/x
  3. Step 3: Cross multiply
    4,863.88x = 7,283.22 × 3,542.20
  4. Step 4: Simplify right side
    4,863.88x = 25,798,621.88
  5. Step 5: Solve for x
    x = 25,798,621.88/4,863.88
  6. Step 6: Final answer
    x = 5,304.12

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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.