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Finding the Fourth Proportional to 6,347, 9,517.02 and 2,184.68

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Solution

The fourth proportional to 6,347, 9,517.02 and 2,184.68 is: 3,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347 : 9,517.02 = 2,184.68 : x
  2. Step 2: Convert to fraction form
    6,347/9,517.02 = 2,184.68/x
  3. Step 3: Cross multiply
    6,347x = 9,517.02 × 2,184.68
  4. Step 4: Simplify right side
    6,347x = 20,791,643.25
  5. Step 5: Solve for x
    x = 20,791,643.25/6,347
  6. Step 6: Final answer
    x = 3,275.82

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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.