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Finding the Fourth Proportional to 7,144.96, 10,717.74 and 1,950.82

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Solution

The fourth proportional to 7,144.96, 10,717.74 and 1,950.82 is: 2,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.96 : 10,717.74 = 1,950.82 : x
  2. Step 2: Convert to fraction form
    7,144.96/10,717.74 = 1,950.82/x
  3. Step 3: Cross multiply
    7,144.96x = 10,717.74 × 1,950.82
  4. Step 4: Simplify right side
    7,144.96x = 20,908,381.55
  5. Step 5: Solve for x
    x = 20,908,381.55/7,144.96
  6. Step 6: Final answer
    x = 2,926.31

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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.