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Finding the Fourth Proportional to 57,648.28, 79,559.84 and 34,993.04

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Solution

The fourth proportional to 57,648.28, 79,559.84 and 34,993.04 is: 48,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,648.28 : 79,559.84 = 34,993.04 : x
  2. Step 2: Convert to fraction form
    57,648.28/79,559.84 = 34,993.04/x
  3. Step 3: Cross multiply
    57,648.28x = 79,559.84 × 34,993.04
  4. Step 4: Simplify right side
    57,648.28x = 2,784,040,663.51
  5. Step 5: Solve for x
    x = 2,784,040,663.51/57,648.28
  6. Step 6: Final answer
    x = 48,293.56

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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.