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Finding the Fourth Proportional to 22,774.96, 34,335.87 and 21,169.57

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Solution

The fourth proportional to 22,774.96, 34,335.87 and 21,169.57 is: 31,915.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,774.96 : 34,335.87 = 21,169.57 : x
  2. Step 2: Convert to fraction form
    22,774.96/34,335.87 = 21,169.57/x
  3. Step 3: Cross multiply
    22,774.96x = 34,335.87 × 21,169.57
  4. Step 4: Simplify right side
    22,774.96x = 726,875,603.48
  5. Step 5: Solve for x
    x = 726,875,603.48/22,774.96
  6. Step 6: Final answer
    x = 31,915.56

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.