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Finding the Fourth Proportional to 22,399.63, 33,620.23 and 11,314.10

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Solution

The fourth proportional to 22,399.63, 33,620.23 and 11,314.10 is: 16,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.63 : 33,620.23 = 11,314.10 : x
  2. Step 2: Convert to fraction form
    22,399.63/33,620.23 = 11,314.10/x
  3. Step 3: Cross multiply
    22,399.63x = 33,620.23 × 11,314.10
  4. Step 4: Simplify right side
    22,399.63x = 380,382,644.24
  5. Step 5: Solve for x
    x = 380,382,644.24/22,399.63
  6. Step 6: Final answer
    x = 16,981.65

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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.