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Finding the Fourth Proportional to 22,038.95, 33,058.38 and 7,998.97

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Solution

The fourth proportional to 22,038.95, 33,058.38 and 7,998.97 is: 11,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,038.95 : 33,058.38 = 7,998.97 : x
  2. Step 2: Convert to fraction form
    22,038.95/33,058.38 = 7,998.97/x
  3. Step 3: Cross multiply
    22,038.95x = 33,058.38 × 7,998.97
  4. Step 4: Simplify right side
    22,038.95x = 264,432,954.21
  5. Step 5: Solve for x
    x = 264,432,954.21/22,038.95
  6. Step 6: Final answer
    x = 11,998.44

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Similar ratio
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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.