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Finding the Fourth Proportional to 17,744.71, 26,616.93 and 5,263.70

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Solution

The fourth proportional to 17,744.71, 26,616.93 and 5,263.70 is: 7,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,744.71 : 26,616.93 = 5,263.70 : x
  2. Step 2: Convert to fraction form
    17,744.71/26,616.93 = 5,263.70/x
  3. Step 3: Cross multiply
    17,744.71x = 26,616.93 × 5,263.70
  4. Step 4: Simplify right side
    17,744.71x = 140,103,433.85
  5. Step 5: Solve for x
    x = 140,103,433.85/17,744.71
  6. Step 6: Final answer
    x = 7,895.51

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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.