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Finding the Fourth Proportional to 8,398.37, 12,600.18 and 3,470.33

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Solution

The fourth proportional to 8,398.37, 12,600.18 and 3,470.33 is: 5,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.37 : 12,600.18 = 3,470.33 : x
  2. Step 2: Convert to fraction form
    8,398.37/12,600.18 = 3,470.33/x
  3. Step 3: Cross multiply
    8,398.37x = 12,600.18 × 3,470.33
  4. Step 4: Simplify right side
    8,398.37x = 43,726,719.66
  5. Step 5: Solve for x
    x = 43,726,719.66/8,398.37
  6. Step 6: Final answer
    x = 5,206.58

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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.