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Finding the Fourth Proportional to 5,918.81, 8,879.42 and 2,023.52

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Solution

The fourth proportional to 5,918.81, 8,879.42 and 2,023.52 is: 3,035.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.81 : 8,879.42 = 2,023.52 : x
  2. Step 2: Convert to fraction form
    5,918.81/8,879.42 = 2,023.52/x
  3. Step 3: Cross multiply
    5,918.81x = 8,879.42 × 2,023.52
  4. Step 4: Simplify right side
    5,918.81x = 17,967,644.62
  5. Step 5: Solve for x
    x = 17,967,644.62/5,918.81
  6. Step 6: Final answer
    x = 3,035.69

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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.