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Finding the Fourth Proportional to 17,928.34, 26,893.92 and 5,449.44

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Solution

The fourth proportional to 17,928.34, 26,893.92 and 5,449.44 is: 8,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.34 : 26,893.92 = 5,449.44 : x
  2. Step 2: Convert to fraction form
    17,928.34/26,893.92 = 5,449.44/x
  3. Step 3: Cross multiply
    17,928.34x = 26,893.92 × 5,449.44
  4. Step 4: Simplify right side
    17,928.34x = 146,556,803.40
  5. Step 5: Solve for x
    x = 146,556,803.40/17,928.34
  6. Step 6: Final answer
    x = 8,174.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.