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Finding the Fourth Proportional to 6,132, 8,461.49 and 3,479.43

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Solution

The fourth proportional to 6,132, 8,461.49 and 3,479.43 is: 4,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,132 : 8,461.49 = 3,479.43 : x
  2. Step 2: Convert to fraction form
    6,132/8,461.49 = 3,479.43/x
  3. Step 3: Cross multiply
    6,132x = 8,461.49 × 3,479.43
  4. Step 4: Simplify right side
    6,132x = 29,441,144.75
  5. Step 5: Solve for x
    x = 29,441,144.75/6,132
  6. Step 6: Final answer
    x = 4,801.23

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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.