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Finding the Fourth Proportional to 57,991.33, 80,026.66 and 34,119.54

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Solution

The fourth proportional to 57,991.33, 80,026.66 and 34,119.54 is: 47,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.33 : 80,026.66 = 34,119.54 : x
  2. Step 2: Convert to fraction form
    57,991.33/80,026.66 = 34,119.54/x
  3. Step 3: Cross multiply
    57,991.33x = 80,026.66 × 34,119.54
  4. Step 4: Simplify right side
    57,991.33x = 2,730,472,826.94
  5. Step 5: Solve for x
    x = 2,730,472,826.94/57,991.33
  6. Step 6: Final answer
    x = 47,084.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.