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Finding the Fourth Proportional to 10,793.58, 16,190.40 and 4,215.17

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Solution

The fourth proportional to 10,793.58, 16,190.40 and 4,215.17 is: 6,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.58 : 16,190.40 = 4,215.17 : x
  2. Step 2: Convert to fraction form
    10,793.58/16,190.40 = 4,215.17/x
  3. Step 3: Cross multiply
    10,793.58x = 16,190.40 × 4,215.17
  4. Step 4: Simplify right side
    10,793.58x = 68,245,207.42
  5. Step 5: Solve for x
    x = 68,245,207.42/10,793.58
  6. Step 6: Final answer
    x = 6,322.76

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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.