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Finding the Fourth Proportional to 34,843.92, 48,085.44 and 18,929.28

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Solution

The fourth proportional to 34,843.92, 48,085.44 and 18,929.28 is: 26,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,843.92 : 48,085.44 = 18,929.28 : x
  2. Step 2: Convert to fraction form
    34,843.92/48,085.44 = 18,929.28/x
  3. Step 3: Cross multiply
    34,843.92x = 48,085.44 × 18,929.28
  4. Step 4: Simplify right side
    34,843.92x = 910,222,757.68
  5. Step 5: Solve for x
    x = 910,222,757.68/34,843.92
  6. Step 6: Final answer
    x = 26,122.86

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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.