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Finding the Fourth Proportional to 19,365.75, 29,049.03 and 5,514.75

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Solution

The fourth proportional to 19,365.75, 29,049.03 and 5,514.75 is: 8,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.75 : 29,049.03 = 5,514.75 : x
  2. Step 2: Convert to fraction form
    19,365.75/29,049.03 = 5,514.75/x
  3. Step 3: Cross multiply
    19,365.75x = 29,049.03 × 5,514.75
  4. Step 4: Simplify right side
    19,365.75x = 160,198,138.19
  5. Step 5: Solve for x
    x = 160,198,138.19/19,365.75
  6. Step 6: Final answer
    x = 8,272.24

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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.