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Finding the Fourth Proportional to 4,387.68, 6,542.82 and 4,348.17

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Solution

The fourth proportional to 4,387.68, 6,542.82 and 4,348.17 is: 6,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.68 : 6,542.82 = 4,348.17 : x
  2. Step 2: Convert to fraction form
    4,387.68/6,542.82 = 4,348.17/x
  3. Step 3: Cross multiply
    4,387.68x = 6,542.82 × 4,348.17
  4. Step 4: Simplify right side
    4,387.68x = 28,449,293.64
  5. Step 5: Solve for x
    x = 28,449,293.64/4,387.68
  6. Step 6: Final answer
    x = 6,483.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.