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Finding the Fourth Proportional to 23,872.80, 35,809.91 and 11,394.15

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Solution

The fourth proportional to 23,872.80, 35,809.91 and 11,394.15 is: 17,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,872.80 : 35,809.91 = 11,394.15 : x
  2. Step 2: Convert to fraction form
    23,872.80/35,809.91 = 11,394.15/x
  3. Step 3: Cross multiply
    23,872.80x = 35,809.91 × 11,394.15
  4. Step 4: Simplify right side
    23,872.80x = 408,023,429.06
  5. Step 5: Solve for x
    x = 408,023,429.06/23,872.80
  6. Step 6: Final answer
    x = 17,091.56

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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.