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Finding the Fourth Proportional to 17,359.70, 26,039.55 and 15,545.30

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Solution

The fourth proportional to 17,359.70, 26,039.55 and 15,545.30 is: 23,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,359.70 : 26,039.55 = 15,545.30 : x
  2. Step 2: Convert to fraction form
    17,359.70/26,039.55 = 15,545.30/x
  3. Step 3: Cross multiply
    17,359.70x = 26,039.55 × 15,545.30
  4. Step 4: Simplify right side
    17,359.70x = 404,792,616.62
  5. Step 5: Solve for x
    x = 404,792,616.62/17,359.70
  6. Step 6: Final answer
    x = 23,317.95

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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.