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Finding the Fourth Proportional to 67,376.97, 93,016.67 and 40,525.47

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Solution

The fourth proportional to 67,376.97, 93,016.67 and 40,525.47 is: 55,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,376.97 : 93,016.67 = 40,525.47 : x
  2. Step 2: Convert to fraction form
    67,376.97/93,016.67 = 40,525.47/x
  3. Step 3: Cross multiply
    67,376.97x = 93,016.67 × 40,525.47
  4. Step 4: Simplify right side
    67,376.97x = 3,769,544,269.58
  5. Step 5: Solve for x
    x = 3,769,544,269.58/67,376.97
  6. Step 6: Final answer
    x = 55,947.07

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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.