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Finding the Fourth Proportional to 54,503.96, 81,787.32 and 22,911.32

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Solution

The fourth proportional to 54,503.96, 81,787.32 and 22,911.32 is: 34,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,503.96 : 81,787.32 = 22,911.32 : x
  2. Step 2: Convert to fraction form
    54,503.96/81,787.32 = 22,911.32/x
  3. Step 3: Cross multiply
    54,503.96x = 81,787.32 × 22,911.32
  4. Step 4: Simplify right side
    54,503.96x = 1,873,855,460.46
  5. Step 5: Solve for x
    x = 1,873,855,460.46/54,503.96
  6. Step 6: Final answer
    x = 34,380.17

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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.