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Finding the Fourth Proportional to 69,940.62, 96,530.55 and 41,258.52

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Solution

The fourth proportional to 69,940.62, 96,530.55 and 41,258.52 is: 56,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.62 : 96,530.55 = 41,258.52 : x
  2. Step 2: Convert to fraction form
    69,940.62/96,530.55 = 41,258.52/x
  3. Step 3: Cross multiply
    69,940.62x = 96,530.55 × 41,258.52
  4. Step 4: Simplify right side
    69,940.62x = 3,982,707,627.79
  5. Step 5: Solve for x
    x = 3,982,707,627.79/69,940.62
  6. Step 6: Final answer
    x = 56,944.13

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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.