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Finding the Fourth Proportional to 83,892.60, 125,812.22 and 27,722.22

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Solution

The fourth proportional to 83,892.60, 125,812.22 and 27,722.22 is: 41,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,892.60 : 125,812.22 = 27,722.22 : x
  2. Step 2: Convert to fraction form
    83,892.60/125,812.22 = 27,722.22/x
  3. Step 3: Cross multiply
    83,892.60x = 125,812.22 × 27,722.22
  4. Step 4: Simplify right side
    83,892.60x = 3,487,793,902.92
  5. Step 5: Solve for x
    x = 3,487,793,902.92/83,892.60
  6. Step 6: Final answer
    x = 41,574.51

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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.