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Finding the Fourth Proportional to 3,367, 5,051.52 and 1,724.71

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Solution

The fourth proportional to 3,367, 5,051.52 and 1,724.71 is: 2,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367 : 5,051.52 = 1,724.71 : x
  2. Step 2: Convert to fraction form
    3,367/5,051.52 = 1,724.71/x
  3. Step 3: Cross multiply
    3,367x = 5,051.52 × 1,724.71
  4. Step 4: Simplify right side
    3,367x = 8,712,407.06
  5. Step 5: Solve for x
    x = 8,712,407.06/3,367
  6. Step 6: Final answer
    x = 2,587.59

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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.