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Finding the Fourth Proportional to 8,326.85, 12,490.29 and 2,483.33

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Solution

The fourth proportional to 8,326.85, 12,490.29 and 2,483.33 is: 3,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.85 : 12,490.29 = 2,483.33 : x
  2. Step 2: Convert to fraction form
    8,326.85/12,490.29 = 2,483.33/x
  3. Step 3: Cross multiply
    8,326.85x = 12,490.29 × 2,483.33
  4. Step 4: Simplify right side
    8,326.85x = 31,017,449.41
  5. Step 5: Solve for x
    x = 31,017,449.41/8,326.85
  6. Step 6: Final answer
    x = 3,724.99

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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.