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Finding the Fourth Proportional to 5,858.71, 8,085.03 and 3,206.12

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Solution

The fourth proportional to 5,858.71, 8,085.03 and 3,206.12 is: 4,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.71 : 8,085.03 = 3,206.12 : x
  2. Step 2: Convert to fraction form
    5,858.71/8,085.03 = 3,206.12/x
  3. Step 3: Cross multiply
    5,858.71x = 8,085.03 × 3,206.12
  4. Step 4: Simplify right side
    5,858.71x = 25,921,523.94
  5. Step 5: Solve for x
    x = 25,921,523.94/5,858.71
  6. Step 6: Final answer
    x = 4,424.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.