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Finding the Fourth Proportional to 3,299.38, 4,552.95 and 1,807

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Solution

The fourth proportional to 3,299.38, 4,552.95 and 1,807 is: 2,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.38 : 4,552.95 = 1,807 : x
  2. Step 2: Convert to fraction form
    3,299.38/4,552.95 = 1,807/x
  3. Step 3: Cross multiply
    3,299.38x = 4,552.95 × 1,807
  4. Step 4: Simplify right side
    3,299.38x = 8,227,180.65
  5. Step 5: Solve for x
    x = 8,227,180.65/3,299.38
  6. Step 6: Final answer
    x = 2,493.55

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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.