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Finding the Fourth Proportional to 69,413.92, 104,118.96 and 19,494.40

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Solution

The fourth proportional to 69,413.92, 104,118.96 and 19,494.40 is: 29,241.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,413.92 : 104,118.96 = 19,494.40 : x
  2. Step 2: Convert to fraction form
    69,413.92/104,118.96 = 19,494.40/x
  3. Step 3: Cross multiply
    69,413.92x = 104,118.96 × 19,494.40
  4. Step 4: Simplify right side
    69,413.92x = 2,029,736,653.82
  5. Step 5: Solve for x
    x = 2,029,736,653.82/69,413.92
  6. Step 6: Final answer
    x = 29,241.06

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1.5x scale

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.