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Finding the Fourth Proportional to 62,517.75, 93,776.63 and 18,741.75

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Solution

The fourth proportional to 62,517.75, 93,776.63 and 18,741.75 is: 28,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,517.75 : 93,776.63 = 18,741.75 : x
  2. Step 2: Convert to fraction form
    62,517.75/93,776.63 = 18,741.75/x
  3. Step 3: Cross multiply
    62,517.75x = 93,776.63 × 18,741.75
  4. Step 4: Simplify right side
    62,517.75x = 1,757,538,061.59
  5. Step 5: Solve for x
    x = 1,757,538,061.59/62,517.75
  6. Step 6: Final answer
    x = 28,112.63

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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.