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Finding the Fourth Proportional to 22,230.63, 33,359.04 and 8,200.53

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Solution

The fourth proportional to 22,230.63, 33,359.04 and 8,200.53 is: 12,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.63 : 33,359.04 = 8,200.53 : x
  2. Step 2: Convert to fraction form
    22,230.63/33,359.04 = 8,200.53/x
  3. Step 3: Cross multiply
    22,230.63x = 33,359.04 × 8,200.53
  4. Step 4: Simplify right side
    22,230.63x = 273,561,808.29
  5. Step 5: Solve for x
    x = 273,561,808.29/22,230.63
  6. Step 6: Final answer
    x = 12,305.63

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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.