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Finding the Fourth Proportional to 17,993.81, 26,994.58 and 5,514.69

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Solution

The fourth proportional to 17,993.81, 26,994.58 and 5,514.69 is: 8,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,993.81 : 26,994.58 = 5,514.69 : x
  2. Step 2: Convert to fraction form
    17,993.81/26,994.58 = 5,514.69/x
  3. Step 3: Cross multiply
    17,993.81x = 26,994.58 × 5,514.69
  4. Step 4: Simplify right side
    17,993.81x = 148,866,712.81
  5. Step 5: Solve for x
    x = 148,866,712.81/17,993.81
  6. Step 6: Final answer
    x = 8,273.22

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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.