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Finding the Fourth Proportional to 39,792.95, 54,922.07 and 22,808.58

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Solution

The fourth proportional to 39,792.95, 54,922.07 and 22,808.58 is: 31,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,792.95 : 54,922.07 = 22,808.58 : x
  2. Step 2: Convert to fraction form
    39,792.95/54,922.07 = 22,808.58/x
  3. Step 3: Cross multiply
    39,792.95x = 54,922.07 × 22,808.58
  4. Step 4: Simplify right side
    39,792.95x = 1,252,694,278.42
  5. Step 5: Solve for x
    x = 1,252,694,278.42/39,792.95
  6. Step 6: Final answer
    x = 31,480.31

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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.