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Finding the Fourth Proportional to 2,668.16, 4,000.61 and 1,368.92

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Solution

The fourth proportional to 2,668.16, 4,000.61 and 1,368.92 is: 2,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.16 : 4,000.61 = 1,368.92 : x
  2. Step 2: Convert to fraction form
    2,668.16/4,000.61 = 1,368.92/x
  3. Step 3: Cross multiply
    2,668.16x = 4,000.61 × 1,368.92
  4. Step 4: Simplify right side
    2,668.16x = 5,476,488.19
  5. Step 5: Solve for x
    x = 5,476,488.19/2,668.16
  6. Step 6: Final answer
    x = 2,052.54

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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.