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Finding the Fourth Proportional to 22,960.99, 34,413.81 and 19,943.74

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Solution

The fourth proportional to 22,960.99, 34,413.81 and 19,943.74 is: 29,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,960.99 : 34,413.81 = 19,943.74 : x
  2. Step 2: Convert to fraction form
    22,960.99/34,413.81 = 19,943.74/x
  3. Step 3: Cross multiply
    22,960.99x = 34,413.81 × 19,943.74
  4. Step 4: Simplify right side
    22,960.99x = 686,340,079.05
  5. Step 5: Solve for x
    x = 686,340,079.05/22,960.99
  6. Step 6: Final answer
    x = 29,891.57

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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.