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Finding the Fourth Proportional to 22,210.30, 33,321.22 and 6,627.92

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Solution

The fourth proportional to 22,210.30, 33,321.22 and 6,627.92 is: 9,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.30 : 33,321.22 = 6,627.92 : x
  2. Step 2: Convert to fraction form
    22,210.30/33,321.22 = 6,627.92/x
  3. Step 3: Cross multiply
    22,210.30x = 33,321.22 × 6,627.92
  4. Step 4: Simplify right side
    22,210.30x = 220,850,438.91
  5. Step 5: Solve for x
    x = 220,850,438.91/22,210.30
  6. Step 6: Final answer
    x = 9,943.61

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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.