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Finding the Fourth Proportional to 8,799.26, 13,198.89 and 2,955.87

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Solution

The fourth proportional to 8,799.26, 13,198.89 and 2,955.87 is: 4,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.26 : 13,198.89 = 2,955.87 : x
  2. Step 2: Convert to fraction form
    8,799.26/13,198.89 = 2,955.87/x
  3. Step 3: Cross multiply
    8,799.26x = 13,198.89 × 2,955.87
  4. Step 4: Simplify right side
    8,799.26x = 39,014,156.16
  5. Step 5: Solve for x
    x = 39,014,156.16/8,799.26
  6. Step 6: Final answer
    x = 4,433.80

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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.