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Finding the Fourth Proportional to 62,149.92, 85,764.12 and 36,310.86

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Solution

The fourth proportional to 62,149.92, 85,764.12 and 36,310.86 is: 50,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.92 : 85,764.12 = 36,310.86 : x
  2. Step 2: Convert to fraction form
    62,149.92/85,764.12 = 36,310.86/x
  3. Step 3: Cross multiply
    62,149.92x = 85,764.12 × 36,310.86
  4. Step 4: Simplify right side
    62,149.92x = 3,114,168,954.34
  5. Step 5: Solve for x
    x = 3,114,168,954.34/62,149.92
  6. Step 6: Final answer
    x = 50,107.37

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1.5x scale

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.