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Finding the Fourth Proportional to 22,805.34, 34,208.97 and 7,222.62

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Solution

The fourth proportional to 22,805.34, 34,208.97 and 7,222.62 is: 10,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,805.34 : 34,208.97 = 7,222.62 : x
  2. Step 2: Convert to fraction form
    22,805.34/34,208.97 = 7,222.62/x
  3. Step 3: Cross multiply
    22,805.34x = 34,208.97 × 7,222.62
  4. Step 4: Simplify right side
    22,805.34x = 247,078,390.90
  5. Step 5: Solve for x
    x = 247,078,390.90/22,805.34
  6. Step 6: Final answer
    x = 10,834.23

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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.