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Finding the Fourth Proportional to 69,003.73, 103,515.45 and 24,621.13

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Solution

The fourth proportional to 69,003.73, 103,515.45 and 24,621.13 is: 36,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,003.73 : 103,515.45 = 24,621.13 : x
  2. Step 2: Convert to fraction form
    69,003.73/103,515.45 = 24,621.13/x
  3. Step 3: Cross multiply
    69,003.73x = 103,515.45 × 24,621.13
  4. Step 4: Simplify right side
    69,003.73x = 2,548,667,351.46
  5. Step 5: Solve for x
    x = 2,548,667,351.46/69,003.73
  6. Step 6: Final answer
    x = 36,935.21

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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.