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Finding the Fourth Proportional to 54,277.20, 81,502.20 and 36,824.40

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Solution

The fourth proportional to 54,277.20, 81,502.20 and 36,824.40 is: 55,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,277.20 : 81,502.20 = 36,824.40 : x
  2. Step 2: Convert to fraction form
    54,277.20/81,502.20 = 36,824.40/x
  3. Step 3: Cross multiply
    54,277.20x = 81,502.20 × 36,824.40
  4. Step 4: Simplify right side
    54,277.20x = 3,001,269,613.68
  5. Step 5: Solve for x
    x = 3,001,269,613.68/54,277.20
  6. Step 6: Final answer
    x = 55,295.22

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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.