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Finding the Fourth Proportional to 27,121.20, 40,633.20 and 23,233.20

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Solution

The fourth proportional to 27,121.20, 40,633.20 and 23,233.20 is: 34,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.20 : 40,633.20 = 23,233.20 : x
  2. Step 2: Convert to fraction form
    27,121.20/40,633.20 = 23,233.20/x
  3. Step 3: Cross multiply
    27,121.20x = 40,633.20 × 23,233.20
  4. Step 4: Simplify right side
    27,121.20x = 944,039,262.24
  5. Step 5: Solve for x
    x = 944,039,262.24/27,121.20
  6. Step 6: Final answer
    x = 34,808.17

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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.