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Finding the Fourth Proportional to 34,843.44, 48,084.30 and 18,928.20

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Solution

The fourth proportional to 34,843.44, 48,084.30 and 18,928.20 is: 26,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,843.44 : 48,084.30 = 18,928.20 : x
  2. Step 2: Convert to fraction form
    34,843.44/48,084.30 = 18,928.20/x
  3. Step 3: Cross multiply
    34,843.44x = 48,084.30 × 18,928.20
  4. Step 4: Simplify right side
    34,843.44x = 910,149,247.26
  5. Step 5: Solve for x
    x = 910,149,247.26/34,843.44
  6. Step 6: Final answer
    x = 26,121.11

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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.