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Finding the Fourth Proportional to 54,207.92, 74,808 and 32,697.56

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Solution

The fourth proportional to 54,207.92, 74,808 and 32,697.56 is: 45,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207.92 : 74,808 = 32,697.56 : x
  2. Step 2: Convert to fraction form
    54,207.92/74,808 = 32,697.56/x
  3. Step 3: Cross multiply
    54,207.92x = 74,808 × 32,697.56
  4. Step 4: Simplify right side
    54,207.92x = 2,446,038,694.44
  5. Step 5: Solve for x
    x = 2,446,038,694.44/54,207.92
  6. Step 6: Final answer
    x = 45,123.28

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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.