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Finding the Fourth Proportional to 62,843.75, 94,212.51 and 27,278.16

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Solution

The fourth proportional to 62,843.75, 94,212.51 and 27,278.16 is: 40,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,843.75 : 94,212.51 = 27,278.16 : x
  2. Step 2: Convert to fraction form
    62,843.75/94,212.51 = 27,278.16/x
  3. Step 3: Cross multiply
    62,843.75x = 94,212.51 × 27,278.16
  4. Step 4: Simplify right side
    62,843.75x = 2,569,943,921.78
  5. Step 5: Solve for x
    x = 2,569,943,921.78/62,843.75
  6. Step 6: Final answer
    x = 40,894.18

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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.