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Finding the Fourth Proportional to 5,862.13, 8,789.23 and 3,085.86

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Solution

The fourth proportional to 5,862.13, 8,789.23 and 3,085.86 is: 4,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.13 : 8,789.23 = 3,085.86 : x
  2. Step 2: Convert to fraction form
    5,862.13/8,789.23 = 3,085.86/x
  3. Step 3: Cross multiply
    5,862.13x = 8,789.23 × 3,085.86
  4. Step 4: Simplify right side
    5,862.13x = 27,122,333.29
  5. Step 5: Solve for x
    x = 27,122,333.29/5,862.13
  6. Step 6: Final answer
    x = 4,626.70

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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.