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Finding the Fourth Proportional to 8,039, 12,058.42 and 2,195.61

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Solution

The fourth proportional to 8,039, 12,058.42 and 2,195.61 is: 3,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039 : 12,058.42 = 2,195.61 : x
  2. Step 2: Convert to fraction form
    8,039/12,058.42 = 2,195.61/x
  3. Step 3: Cross multiply
    8,039x = 12,058.42 × 2,195.61
  4. Step 4: Simplify right side
    8,039x = 26,475,587.54
  5. Step 5: Solve for x
    x = 26,475,587.54/8,039
  6. Step 6: Final answer
    x = 3,293.39

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1.5x scale

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.