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Finding the Fourth Proportional to 39,324.56, 58,965.08 and 15,608.08

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Solution

The fourth proportional to 39,324.56, 58,965.08 and 15,608.08 is: 23,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,324.56 : 58,965.08 = 15,608.08 : x
  2. Step 2: Convert to fraction form
    39,324.56/58,965.08 = 15,608.08/x
  3. Step 3: Cross multiply
    39,324.56x = 58,965.08 × 15,608.08
  4. Step 4: Simplify right side
    39,324.56x = 920,331,685.85
  5. Step 5: Solve for x
    x = 920,331,685.85/39,324.56
  6. Step 6: Final answer
    x = 23,403.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.