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Finding the Fourth Proportional to 34,992.92, 48,278.70 and 20,843.84

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Solution

The fourth proportional to 34,992.92, 48,278.70 and 20,843.84 is: 28,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,992.92 : 48,278.70 = 20,843.84 : x
  2. Step 2: Convert to fraction form
    34,992.92/48,278.70 = 20,843.84/x
  3. Step 3: Cross multiply
    34,992.92x = 48,278.70 × 20,843.84
  4. Step 4: Simplify right side
    34,992.92x = 1,006,313,498.21
  5. Step 5: Solve for x
    x = 1,006,313,498.21/34,992.92
  6. Step 6: Final answer
    x = 28,757.63

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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.