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Finding the Fourth Proportional to 6,048.88, 8,348.32 and 3,396.66

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Solution

The fourth proportional to 6,048.88, 8,348.32 and 3,396.66 is: 4,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,048.88 : 8,348.32 = 3,396.66 : x
  2. Step 2: Convert to fraction form
    6,048.88/8,348.32 = 3,396.66/x
  3. Step 3: Cross multiply
    6,048.88x = 8,348.32 × 3,396.66
  4. Step 4: Simplify right side
    6,048.88x = 28,356,404.61
  5. Step 5: Solve for x
    x = 28,356,404.61/6,048.88
  6. Step 6: Final answer
    x = 4,687.88

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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.