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Finding the Fourth Proportional to 8,886.22, 13,324.44 and 3,619.89

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Solution

The fourth proportional to 8,886.22, 13,324.44 and 3,619.89 is: 5,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.22 : 13,324.44 = 3,619.89 : x
  2. Step 2: Convert to fraction form
    8,886.22/13,324.44 = 3,619.89/x
  3. Step 3: Cross multiply
    8,886.22x = 13,324.44 × 3,619.89
  4. Step 4: Simplify right side
    8,886.22x = 48,233,007.11
  5. Step 5: Solve for x
    x = 48,233,007.11/8,886.22
  6. Step 6: Final answer
    x = 5,427.84

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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.