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Finding the Fourth Proportional to 8,791.60, 13,187.36 and 3,597.48

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Solution

The fourth proportional to 8,791.60, 13,187.36 and 3,597.48 is: 5,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.60 : 13,187.36 = 3,597.48 : x
  2. Step 2: Convert to fraction form
    8,791.60/13,187.36 = 3,597.48/x
  3. Step 3: Cross multiply
    8,791.60x = 13,187.36 × 3,597.48
  4. Step 4: Simplify right side
    8,791.60x = 47,441,239.88
  5. Step 5: Solve for x
    x = 47,441,239.88/8,791.60
  6. Step 6: Final answer
    x = 5,396.20

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1.5x scale

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.