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Finding the Fourth Proportional to 5,599.48, 8,401.04 and 2,678

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Solution

The fourth proportional to 5,599.48, 8,401.04 and 2,678 is: 4,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.48 : 8,401.04 = 2,678 : x
  2. Step 2: Convert to fraction form
    5,599.48/8,401.04 = 2,678/x
  3. Step 3: Cross multiply
    5,599.48x = 8,401.04 × 2,678
  4. Step 4: Simplify right side
    5,599.48x = 22,497,985.12
  5. Step 5: Solve for x
    x = 22,497,985.12/5,599.48
  6. Step 6: Final answer
    x = 4,017.87

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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.