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Finding the Fourth Proportional to 71,388.75, 107,062.30 and 23,998.49

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Solution

The fourth proportional to 71,388.75, 107,062.30 and 23,998.49 is: 35,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,388.75 : 107,062.30 = 23,998.49 : x
  2. Step 2: Convert to fraction form
    71,388.75/107,062.30 = 23,998.49/x
  3. Step 3: Cross multiply
    71,388.75x = 107,062.30 × 23,998.49
  4. Step 4: Simplify right side
    71,388.75x = 2,569,333,535.93
  5. Step 5: Solve for x
    x = 2,569,333,535.93/71,388.75
  6. Step 6: Final answer
    x = 35,990.73

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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.