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Finding the Fourth Proportional to 54,787.04, 75,606.12 and 29,636.54

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Solution

The fourth proportional to 54,787.04, 75,606.12 and 29,636.54 is: 40,898.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.04 : 75,606.12 = 29,636.54 : x
  2. Step 2: Convert to fraction form
    54,787.04/75,606.12 = 29,636.54/x
  3. Step 3: Cross multiply
    54,787.04x = 75,606.12 × 29,636.54
  4. Step 4: Simplify right side
    54,787.04x = 2,240,703,799.62
  5. Step 5: Solve for x
    x = 2,240,703,799.62/54,787.04
  6. Step 6: Final answer
    x = 40,898.43

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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.