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Finding the Fourth Proportional to 8,822.44, 13,230.32 and 3,555.66

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Solution

The fourth proportional to 8,822.44, 13,230.32 and 3,555.66 is: 5,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.44 : 13,230.32 = 3,555.66 : x
  2. Step 2: Convert to fraction form
    8,822.44/13,230.32 = 3,555.66/x
  3. Step 3: Cross multiply
    8,822.44x = 13,230.32 × 3,555.66
  4. Step 4: Simplify right side
    8,822.44x = 47,042,519.61
  5. Step 5: Solve for x
    x = 47,042,519.61/8,822.44
  6. Step 6: Final answer
    x = 5,332.14

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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.