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Finding the Fourth Proportional to 24,608.78, 33,979.46 and 19,813.49

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Solution

The fourth proportional to 24,608.78, 33,979.46 and 19,813.49 is: 27,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,608.78 : 33,979.46 = 19,813.49 : x
  2. Step 2: Convert to fraction form
    24,608.78/33,979.46 = 19,813.49/x
  3. Step 3: Cross multiply
    24,608.78x = 33,979.46 × 19,813.49
  4. Step 4: Simplify right side
    24,608.78x = 673,251,690.92
  5. Step 5: Solve for x
    x = 673,251,690.92/24,608.78
  6. Step 6: Final answer
    x = 27,358.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.