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Finding the Fourth Proportional to 2,493.61, 3,732.51 and 1,394.65

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Solution

The fourth proportional to 2,493.61, 3,732.51 and 1,394.65 is: 2,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.61 : 3,732.51 = 1,394.65 : x
  2. Step 2: Convert to fraction form
    2,493.61/3,732.51 = 1,394.65/x
  3. Step 3: Cross multiply
    2,493.61x = 3,732.51 × 1,394.65
  4. Step 4: Simplify right side
    2,493.61x = 5,205,545.07
  5. Step 5: Solve for x
    x = 5,205,545.07/2,493.61
  6. Step 6: Final answer
    x = 2,087.55

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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.