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Finding the Fourth Proportional to 12,229.52, 18,223.95 and 11,832.62

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Solution

The fourth proportional to 12,229.52, 18,223.95 and 11,832.62 is: 17,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.52 : 18,223.95 = 11,832.62 : x
  2. Step 2: Convert to fraction form
    12,229.52/18,223.95 = 11,832.62/x
  3. Step 3: Cross multiply
    12,229.52x = 18,223.95 × 11,832.62
  4. Step 4: Simplify right side
    12,229.52x = 215,637,028.50
  5. Step 5: Solve for x
    x = 215,637,028.50/12,229.52
  6. Step 6: Final answer
    x = 17,632.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.