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Finding the Fourth Proportional to 7,358.60, 11,029.80 and 3,197.90

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Solution

The fourth proportional to 7,358.60, 11,029.80 and 3,197.90 is: 4,793.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.60 : 11,029.80 = 3,197.90 : x
  2. Step 2: Convert to fraction form
    7,358.60/11,029.80 = 3,197.90/x
  3. Step 3: Cross multiply
    7,358.60x = 11,029.80 × 3,197.90
  4. Step 4: Simplify right side
    7,358.60x = 35,272,197.42
  5. Step 5: Solve for x
    x = 35,272,197.42/7,358.60
  6. Step 6: Final answer
    x = 4,793.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.