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Finding the Fourth Proportional to 54,787.50, 75,606.84 and 29,637

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Solution

The fourth proportional to 54,787.50, 75,606.84 and 29,637 is: 40,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,787.50 : 75,606.84 = 29,637 : x
  2. Step 2: Convert to fraction form
    54,787.50/75,606.84 = 29,637/x
  3. Step 3: Cross multiply
    54,787.50x = 75,606.84 × 29,637
  4. Step 4: Simplify right side
    54,787.50x = 2,240,759,917.08
  5. Step 5: Solve for x
    x = 2,240,759,917.08/54,787.50
  6. Step 6: Final answer
    x = 40,899.11

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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.