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Finding the Fourth Proportional to 22,358.99, 33,553.83 and 9,211.34

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Solution

The fourth proportional to 22,358.99, 33,553.83 and 9,211.34 is: 13,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.99 : 33,553.83 = 9,211.34 : x
  2. Step 2: Convert to fraction form
    22,358.99/33,553.83 = 9,211.34/x
  3. Step 3: Cross multiply
    22,358.99x = 33,553.83 × 9,211.34
  4. Step 4: Simplify right side
    22,358.99x = 309,075,568.66
  5. Step 5: Solve for x
    x = 309,075,568.66/22,358.99
  6. Step 6: Final answer
    x = 13,823.33

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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.