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Finding the Fourth Proportional to 63,393.44, 87,376.66 and 50,605.64

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Solution

The fourth proportional to 63,393.44, 87,376.66 and 50,605.64 is: 69,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,393.44 : 87,376.66 = 50,605.64 : x
  2. Step 2: Convert to fraction form
    63,393.44/87,376.66 = 50,605.64/x
  3. Step 3: Cross multiply
    63,393.44x = 87,376.66 × 50,605.64
  4. Step 4: Simplify right side
    63,393.44x = 4,421,751,236.97
  5. Step 5: Solve for x
    x = 4,421,751,236.97/63,393.44
  6. Step 6: Final answer
    x = 69,750.92

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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.