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Finding the Fourth Proportional to 60,741.62, 90,995.79 and 35,728.82

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Solution

The fourth proportional to 60,741.62, 90,995.79 and 35,728.82 is: 53,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.62 : 90,995.79 = 35,728.82 : x
  2. Step 2: Convert to fraction form
    60,741.62/90,995.79 = 35,728.82/x
  3. Step 3: Cross multiply
    60,741.62x = 90,995.79 × 35,728.82
  4. Step 4: Simplify right side
    60,741.62x = 3,251,172,201.67
  5. Step 5: Solve for x
    x = 3,251,172,201.67/60,741.62
  6. Step 6: Final answer
    x = 53,524.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.