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Finding the Fourth Proportional to 6,926.15, 10,391.04 and 2,709.47

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Solution

The fourth proportional to 6,926.15, 10,391.04 and 2,709.47 is: 4,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.15 : 10,391.04 = 2,709.47 : x
  2. Step 2: Convert to fraction form
    6,926.15/10,391.04 = 2,709.47/x
  3. Step 3: Cross multiply
    6,926.15x = 10,391.04 × 2,709.47
  4. Step 4: Simplify right side
    6,926.15x = 28,154,211.15
  5. Step 5: Solve for x
    x = 28,154,211.15/6,926.15
  6. Step 6: Final answer
    x = 4,064.92

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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.