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Finding the Fourth Proportional to 22,203.50, 33,310.49 and 7,210.57

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Solution

The fourth proportional to 22,203.50, 33,310.49 and 7,210.57 is: 10,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.50 : 33,310.49 = 7,210.57 : x
  2. Step 2: Convert to fraction form
    22,203.50/33,310.49 = 7,210.57/x
  3. Step 3: Cross multiply
    22,203.50x = 33,310.49 × 7,210.57
  4. Step 4: Simplify right side
    22,203.50x = 240,187,619.88
  5. Step 5: Solve for x
    x = 240,187,619.88/22,203.50
  6. Step 6: Final answer
    x = 10,817.56

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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.