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Finding the Fourth Proportional to 11,327.88, 16,991.88 and 3,536.04

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Solution

The fourth proportional to 11,327.88, 16,991.88 and 3,536.04 is: 5,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.88 : 16,991.88 = 3,536.04 : x
  2. Step 2: Convert to fraction form
    11,327.88/16,991.88 = 3,536.04/x
  3. Step 3: Cross multiply
    11,327.88x = 16,991.88 × 3,536.04
  4. Step 4: Simplify right side
    11,327.88x = 60,083,967.36
  5. Step 5: Solve for x
    x = 60,083,967.36/11,327.88
  6. Step 6: Final answer
    x = 5,304.08

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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.