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Finding the Fourth Proportional to 22,099.80, 33,120.90 and 10,252.20

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Solution

The fourth proportional to 22,099.80, 33,120.90 and 10,252.20 is: 15,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,099.80 : 33,120.90 = 10,252.20 : x
  2. Step 2: Convert to fraction form
    22,099.80/33,120.90 = 10,252.20/x
  3. Step 3: Cross multiply
    22,099.80x = 33,120.90 × 10,252.20
  4. Step 4: Simplify right side
    22,099.80x = 339,562,090.98
  5. Step 5: Solve for x
    x = 339,562,090.98/22,099.80
  6. Step 6: Final answer
    x = 15,364.94

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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.