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Finding the Fourth Proportional to 8,401.68, 12,593.30 and 3,468.65

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Solution

The fourth proportional to 8,401.68, 12,593.30 and 3,468.65 is: 5,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.68 : 12,593.30 = 3,468.65 : x
  2. Step 2: Convert to fraction form
    8,401.68/12,593.30 = 3,468.65/x
  3. Step 3: Cross multiply
    8,401.68x = 12,593.30 × 3,468.65
  4. Step 4: Simplify right side
    8,401.68x = 43,681,669.74
  5. Step 5: Solve for x
    x = 43,681,669.74/8,401.68
  6. Step 6: Final answer
    x = 5,199.16

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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.