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Finding the Fourth Proportional to 7,058.67, 10,581.72 and 2,679.20

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Solution

The fourth proportional to 7,058.67, 10,581.72 and 2,679.20 is: 4,016.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.67 : 10,581.72 = 2,679.20 : x
  2. Step 2: Convert to fraction form
    7,058.67/10,581.72 = 2,679.20/x
  3. Step 3: Cross multiply
    7,058.67x = 10,581.72 × 2,679.20
  4. Step 4: Simplify right side
    7,058.67x = 28,350,544.22
  5. Step 5: Solve for x
    x = 28,350,544.22/7,058.67
  6. Step 6: Final answer
    x = 4,016.41

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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.