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Finding the Fourth Proportional to 22,321.11, 33,458.07 and 8,080.10

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Solution

The fourth proportional to 22,321.11, 33,458.07 and 8,080.10 is: 12,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,321.11 : 33,458.07 = 8,080.10 : x
  2. Step 2: Convert to fraction form
    22,321.11/33,458.07 = 8,080.10/x
  3. Step 3: Cross multiply
    22,321.11x = 33,458.07 × 8,080.10
  4. Step 4: Simplify right side
    22,321.11x = 270,344,384.12
  5. Step 5: Solve for x
    x = 270,344,384.12/22,321.11
  6. Step 6: Final answer
    x = 12,111.60

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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.