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Finding the Fourth Proportional to 70,920.62, 106,413.23 and 26,550.83

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Solution

The fourth proportional to 70,920.62, 106,413.23 and 26,550.83 is: 39,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,920.62 : 106,413.23 = 26,550.83 : x
  2. Step 2: Convert to fraction form
    70,920.62/106,413.23 = 26,550.83/x
  3. Step 3: Cross multiply
    70,920.62x = 106,413.23 × 26,550.83
  4. Step 4: Simplify right side
    70,920.62x = 2,825,359,446.73
  5. Step 5: Solve for x
    x = 2,825,359,446.73/70,920.62
  6. Step 6: Final answer
    x = 39,838.34

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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.