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Finding the Fourth Proportional to 8,338.95, 12,504.78 and 2,494.44

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Solution

The fourth proportional to 8,338.95, 12,504.78 and 2,494.44 is: 3,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.95 : 12,504.78 = 2,494.44 : x
  2. Step 2: Convert to fraction form
    8,338.95/12,504.78 = 2,494.44/x
  3. Step 3: Cross multiply
    8,338.95x = 12,504.78 × 2,494.44
  4. Step 4: Simplify right side
    8,338.95x = 31,192,423.42
  5. Step 5: Solve for x
    x = 31,192,423.42/8,338.95
  6. Step 6: Final answer
    x = 3,740.57

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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.