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Finding the Fourth Proportional to 11,993.05, 17,987.01 and 6,733.18

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Solution

The fourth proportional to 11,993.05, 17,987.01 and 6,733.18 is: 10,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.05 : 17,987.01 = 6,733.18 : x
  2. Step 2: Convert to fraction form
    11,993.05/17,987.01 = 6,733.18/x
  3. Step 3: Cross multiply
    11,993.05x = 17,987.01 × 6,733.18
  4. Step 4: Simplify right side
    11,993.05x = 121,109,775.99
  5. Step 5: Solve for x
    x = 121,109,775.99/11,993.05
  6. Step 6: Final answer
    x = 10,098.33

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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.