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Finding the Fourth Proportional to 63,580.92, 87,743.16 and 35,286

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Solution

The fourth proportional to 63,580.92, 87,743.16 and 35,286 is: 48,695.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,580.92 : 87,743.16 = 35,286 : x
  2. Step 2: Convert to fraction form
    63,580.92/87,743.16 = 35,286/x
  3. Step 3: Cross multiply
    63,580.92x = 87,743.16 × 35,286
  4. Step 4: Simplify right side
    63,580.92x = 3,096,105,143.76
  5. Step 5: Solve for x
    x = 3,096,105,143.76/63,580.92
  6. Step 6: Final answer
    x = 48,695.51

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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.