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Finding the Fourth Proportional to 17,929.44, 26,894.15 and 5,449.42

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Solution

The fourth proportional to 17,929.44, 26,894.15 and 5,449.42 is: 8,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.44 : 26,894.15 = 5,449.42 : x
  2. Step 2: Convert to fraction form
    17,929.44/26,894.15 = 5,449.42/x
  3. Step 3: Cross multiply
    17,929.44x = 26,894.15 × 5,449.42
  4. Step 4: Simplify right side
    17,929.44x = 146,557,518.89
  5. Step 5: Solve for x
    x = 146,557,518.89/17,929.44
  6. Step 6: Final answer
    x = 8,174.13

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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.