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Finding the Fourth Proportional to 3,068, 4,597.84 and 1,679.24

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Solution

The fourth proportional to 3,068, 4,597.84 and 1,679.24 is: 2,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068 : 4,597.84 = 1,679.24 : x
  2. Step 2: Convert to fraction form
    3,068/4,597.84 = 1,679.24/x
  3. Step 3: Cross multiply
    3,068x = 4,597.84 × 1,679.24
  4. Step 4: Simplify right side
    3,068x = 7,720,876.84
  5. Step 5: Solve for x
    x = 7,720,876.84/3,068
  6. Step 6: Final answer
    x = 2,516.58

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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.