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Finding the Fourth Proportional to 54,219.80, 81,305.40 and 24,622.40

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Solution

The fourth proportional to 54,219.80, 81,305.40 and 24,622.40 is: 36,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.80 : 81,305.40 = 24,622.40 : x
  2. Step 2: Convert to fraction form
    54,219.80/81,305.40 = 24,622.40/x
  3. Step 3: Cross multiply
    54,219.80x = 81,305.40 × 24,622.40
  4. Step 4: Simplify right side
    54,219.80x = 2,001,934,080.96
  5. Step 5: Solve for x
    x = 2,001,934,080.96/54,219.80
  6. Step 6: Final answer
    x = 36,922.56

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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.