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Finding the Fourth Proportional to 69,993.98, 96,589.59 and 38,163.50

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Solution

The fourth proportional to 69,993.98, 96,589.59 and 38,163.50 is: 52,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.98 : 96,589.59 = 38,163.50 : x
  2. Step 2: Convert to fraction form
    69,993.98/96,589.59 = 38,163.50/x
  3. Step 3: Cross multiply
    69,993.98x = 96,589.59 × 38,163.50
  4. Step 4: Simplify right side
    69,993.98x = 3,686,196,817.97
  5. Step 5: Solve for x
    x = 3,686,196,817.97/69,993.98
  6. Step 6: Final answer
    x = 52,664.48

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1.5x scale

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.