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Finding the Fourth Proportional to 8,798.21, 13,194.12 and 2,556.53

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Solution

The fourth proportional to 8,798.21, 13,194.12 and 2,556.53 is: 3,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.21 : 13,194.12 = 2,556.53 : x
  2. Step 2: Convert to fraction form
    8,798.21/13,194.12 = 2,556.53/x
  3. Step 3: Cross multiply
    8,798.21x = 13,194.12 × 2,556.53
  4. Step 4: Simplify right side
    8,798.21x = 33,731,163.60
  5. Step 5: Solve for x
    x = 33,731,163.60/8,798.21
  6. Step 6: Final answer
    x = 3,833.87

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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.