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Finding the Fourth Proportional to 61,867.92, 85,373 and 36,375.32

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Solution

The fourth proportional to 61,867.92, 85,373 and 36,375.32 is: 50,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,867.92 : 85,373 = 36,375.32 : x
  2. Step 2: Convert to fraction form
    61,867.92/85,373 = 36,375.32/x
  3. Step 3: Cross multiply
    61,867.92x = 85,373 × 36,375.32
  4. Step 4: Simplify right side
    61,867.92x = 3,105,470,194.36
  5. Step 5: Solve for x
    x = 3,105,470,194.36/61,867.92
  6. Step 6: Final answer
    x = 50,195.16

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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.