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Finding the Fourth Proportional to 2,396.61, 3,594.92 and 1,424.61

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Solution

The fourth proportional to 2,396.61, 3,594.92 and 1,424.61 is: 2,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.61 : 3,594.92 = 1,424.61 : x
  2. Step 2: Convert to fraction form
    2,396.61/3,594.92 = 1,424.61/x
  3. Step 3: Cross multiply
    2,396.61x = 3,594.92 × 1,424.61
  4. Step 4: Simplify right side
    2,396.61x = 5,121,351.86
  5. Step 5: Solve for x
    x = 5,121,351.86/2,396.61
  6. Step 6: Final answer
    x = 2,136.92

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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.