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Finding the Fourth Proportional to 56,081.44, 77,400.78 and 35,961.04

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Solution

The fourth proportional to 56,081.44, 77,400.78 and 35,961.04 is: 49,631.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,081.44 : 77,400.78 = 35,961.04 : x
  2. Step 2: Convert to fraction form
    56,081.44/77,400.78 = 35,961.04/x
  3. Step 3: Cross multiply
    56,081.44x = 77,400.78 × 35,961.04
  4. Step 4: Simplify right side
    56,081.44x = 2,783,412,545.61
  5. Step 5: Solve for x
    x = 2,783,412,545.61/56,081.44
  6. Step 6: Final answer
    x = 49,631.62

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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.