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Finding the Fourth Proportional to 34,990.44, 48,291.84 and 20,843.52

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Solution

The fourth proportional to 34,990.44, 48,291.84 and 20,843.52 is: 28,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.44 : 48,291.84 = 20,843.52 : x
  2. Step 2: Convert to fraction form
    34,990.44/48,291.84 = 20,843.52/x
  3. Step 3: Cross multiply
    34,990.44x = 48,291.84 × 20,843.52
  4. Step 4: Simplify right side
    34,990.44x = 1,006,571,932.88
  5. Step 5: Solve for x
    x = 1,006,571,932.88/34,990.44
  6. Step 6: Final answer
    x = 28,767.06

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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.