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Finding the Fourth Proportional to 6,243.98, 8,618.13 and 3,592.92

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Solution

The fourth proportional to 6,243.98, 8,618.13 and 3,592.92 is: 4,959.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.98 : 8,618.13 = 3,592.92 : x
  2. Step 2: Convert to fraction form
    6,243.98/8,618.13 = 3,592.92/x
  3. Step 3: Cross multiply
    6,243.98x = 8,618.13 × 3,592.92
  4. Step 4: Simplify right side
    6,243.98x = 30,964,251.64
  5. Step 5: Solve for x
    x = 30,964,251.64/6,243.98
  6. Step 6: Final answer
    x = 4,959.06

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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.