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Finding the Fourth Proportional to 9,195.30, 13,788.60 and 6,425.10

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Solution

The fourth proportional to 9,195.30, 13,788.60 and 6,425.10 is: 9,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195.30 : 13,788.60 = 6,425.10 : x
  2. Step 2: Convert to fraction form
    9,195.30/13,788.60 = 6,425.10/x
  3. Step 3: Cross multiply
    9,195.30x = 13,788.60 × 6,425.10
  4. Step 4: Simplify right side
    9,195.30x = 88,593,133.86
  5. Step 5: Solve for x
    x = 88,593,133.86/9,195.30
  6. Step 6: Final answer
    x = 9,634.61

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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.