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Finding the Fourth Proportional to 22,203.12, 33,302.36 and 8,353.20

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Solution

The fourth proportional to 22,203.12, 33,302.36 and 8,353.20 is: 12,528.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.12 : 33,302.36 = 8,353.20 : x
  2. Step 2: Convert to fraction form
    22,203.12/33,302.36 = 8,353.20/x
  3. Step 3: Cross multiply
    22,203.12x = 33,302.36 × 8,353.20
  4. Step 4: Simplify right side
    22,203.12x = 278,181,273.55
  5. Step 5: Solve for x
    x = 278,181,273.55/22,203.12
  6. Step 6: Final answer
    x = 12,528.93

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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.