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Finding the Fourth Proportional to 8,039.73, 12,058.92 and 2,774.73

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Solution

The fourth proportional to 8,039.73, 12,058.92 and 2,774.73 is: 4,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,039.73 : 12,058.92 = 2,774.73 : x
  2. Step 2: Convert to fraction form
    8,039.73/12,058.92 = 2,774.73/x
  3. Step 3: Cross multiply
    8,039.73x = 12,058.92 × 2,774.73
  4. Step 4: Simplify right side
    8,039.73x = 33,460,247.09
  5. Step 5: Solve for x
    x = 33,460,247.09/8,039.73
  6. Step 6: Final answer
    x = 4,161.86

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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.