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Finding the Fourth Proportional to 4,374, 6,552.72 and 3,388.52

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Solution

The fourth proportional to 4,374, 6,552.72 and 3,388.52 is: 5,076.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,374 : 6,552.72 = 3,388.52 : x
  2. Step 2: Convert to fraction form
    4,374/6,552.72 = 3,388.52/x
  3. Step 3: Cross multiply
    4,374x = 6,552.72 × 3,388.52
  4. Step 4: Simplify right side
    4,374x = 22,204,022.77
  5. Step 5: Solve for x
    x = 22,204,022.77/4,374
  6. Step 6: Final answer
    x = 5,076.37

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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.