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Finding the Fourth Proportional to 8,801.74, 13,197.88 and 3,865.69

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Solution

The fourth proportional to 8,801.74, 13,197.88 and 3,865.69 is: 5,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,801.74 : 13,197.88 = 3,865.69 : x
  2. Step 2: Convert to fraction form
    8,801.74/13,197.88 = 3,865.69/x
  3. Step 3: Cross multiply
    8,801.74x = 13,197.88 × 3,865.69
  4. Step 4: Simplify right side
    8,801.74x = 51,018,912.74
  5. Step 5: Solve for x
    x = 51,018,912.74/8,801.74
  6. Step 6: Final answer
    x = 5,796.46

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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.