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Finding the Fourth Proportional to 8,326.44, 12,490.92 and 2,482.38

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Solution

The fourth proportional to 8,326.44, 12,490.92 and 2,482.38 is: 3,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.44 : 12,490.92 = 2,482.38 : x
  2. Step 2: Convert to fraction form
    8,326.44/12,490.92 = 2,482.38/x
  3. Step 3: Cross multiply
    8,326.44x = 12,490.92 × 2,482.38
  4. Step 4: Simplify right side
    8,326.44x = 31,007,209.99
  5. Step 5: Solve for x
    x = 31,007,209.99/8,326.44
  6. Step 6: Final answer
    x = 3,723.95

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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.