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Finding the Fourth Proportional to 11,959.22, 17,933.96 and 4,166.22

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Solution

The fourth proportional to 11,959.22, 17,933.96 and 4,166.22 is: 6,247.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,959.22 : 17,933.96 = 4,166.22 : x
  2. Step 2: Convert to fraction form
    11,959.22/17,933.96 = 4,166.22/x
  3. Step 3: Cross multiply
    11,959.22x = 17,933.96 × 4,166.22
  4. Step 4: Simplify right side
    11,959.22x = 74,716,822.83
  5. Step 5: Solve for x
    x = 74,716,822.83/11,959.22
  6. Step 6: Final answer
    x = 6,247.63

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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.