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Finding the Fourth Proportional to 22,003.65, 32,943.81 and 11,450.67

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Solution

The fourth proportional to 22,003.65, 32,943.81 and 11,450.67 is: 17,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.65 : 32,943.81 = 11,450.67 : x
  2. Step 2: Convert to fraction form
    22,003.65/32,943.81 = 11,450.67/x
  3. Step 3: Cross multiply
    22,003.65x = 32,943.81 × 11,450.67
  4. Step 4: Simplify right side
    22,003.65x = 377,228,616.25
  5. Step 5: Solve for x
    x = 377,228,616.25/22,003.65
  6. Step 6: Final answer
    x = 17,143.91

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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.