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Finding the Fourth Proportional to 54,898.66, 75,732.33 and 34,721.56

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Solution

The fourth proportional to 54,898.66, 75,732.33 and 34,721.56 is: 47,898.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.66 : 75,732.33 = 34,721.56 : x
  2. Step 2: Convert to fraction form
    54,898.66/75,732.33 = 34,721.56/x
  3. Step 3: Cross multiply
    54,898.66x = 75,732.33 × 34,721.56
  4. Step 4: Simplify right side
    54,898.66x = 2,629,544,640.03
  5. Step 5: Solve for x
    x = 2,629,544,640.03/54,898.66
  6. Step 6: Final answer
    x = 47,898.16

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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.