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Finding the Fourth Proportional to 5,789.76, 8,687.24 and 2,668.10

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Solution

The fourth proportional to 5,789.76, 8,687.24 and 2,668.10 is: 4,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.76 : 8,687.24 = 2,668.10 : x
  2. Step 2: Convert to fraction form
    5,789.76/8,687.24 = 2,668.10/x
  3. Step 3: Cross multiply
    5,789.76x = 8,687.24 × 2,668.10
  4. Step 4: Simplify right side
    5,789.76x = 23,178,396.66
  5. Step 5: Solve for x
    x = 23,178,396.66/5,789.76
  6. Step 6: Final answer
    x = 4,003.34

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1.5x scale

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.