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Finding the Fourth Proportional to 2,446.30, 3,668.68 and 886.11

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Solution

The fourth proportional to 2,446.30, 3,668.68 and 886.11 is: 1,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.30 : 3,668.68 = 886.11 : x
  2. Step 2: Convert to fraction form
    2,446.30/3,668.68 = 886.11/x
  3. Step 3: Cross multiply
    2,446.30x = 3,668.68 × 886.11
  4. Step 4: Simplify right side
    2,446.30x = 3,250,854.03
  5. Step 5: Solve for x
    x = 3,250,854.03/2,446.30
  6. Step 6: Final answer
    x = 1,328.89

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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.