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Finding the Fourth Proportional to 4,488.62, 6,732.12 and 1,367.88

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Solution

The fourth proportional to 4,488.62, 6,732.12 and 1,367.88 is: 2,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,488.62 : 6,732.12 = 1,367.88 : x
  2. Step 2: Convert to fraction form
    4,488.62/6,732.12 = 1,367.88/x
  3. Step 3: Cross multiply
    4,488.62x = 6,732.12 × 1,367.88
  4. Step 4: Simplify right side
    4,488.62x = 9,208,732.31
  5. Step 5: Solve for x
    x = 9,208,732.31/4,488.62
  6. Step 6: Final answer
    x = 2,051.57

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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.