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Finding the Fourth Proportional to 2,668.57, 4,000.56 and 1,497.61

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Solution

The fourth proportional to 2,668.57, 4,000.56 and 1,497.61 is: 2,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668.57 : 4,000.56 = 1,497.61 : x
  2. Step 2: Convert to fraction form
    2,668.57/4,000.56 = 1,497.61/x
  3. Step 3: Cross multiply
    2,668.57x = 4,000.56 × 1,497.61
  4. Step 4: Simplify right side
    2,668.57x = 5,991,278.66
  5. Step 5: Solve for x
    x = 5,991,278.66/2,668.57
  6. Step 6: Final answer
    x = 2,245.13

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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.