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Finding the Fourth Proportional to 69,813.36, 96,339.60 and 37,982.24

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Solution

The fourth proportional to 69,813.36, 96,339.60 and 37,982.24 is: 52,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813.36 : 96,339.60 = 37,982.24 : x
  2. Step 2: Convert to fraction form
    69,813.36/96,339.60 = 37,982.24/x
  3. Step 3: Cross multiply
    69,813.36x = 96,339.60 × 37,982.24
  4. Step 4: Simplify right side
    69,813.36x = 3,659,193,808.70
  5. Step 5: Solve for x
    x = 3,659,193,808.70/69,813.36
  6. Step 6: Final answer
    x = 52,413.95

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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.