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Finding the Fourth Proportional to 11,950.81, 17,926.52 and 6,682.87

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Solution

The fourth proportional to 11,950.81, 17,926.52 and 6,682.87 is: 10,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.81 : 17,926.52 = 6,682.87 : x
  2. Step 2: Convert to fraction form
    11,950.81/17,926.52 = 6,682.87/x
  3. Step 3: Cross multiply
    11,950.81x = 17,926.52 × 6,682.87
  4. Step 4: Simplify right side
    11,950.81x = 119,800,591.71
  5. Step 5: Solve for x
    x = 119,800,591.71/11,950.81
  6. Step 6: Final answer
    x = 10,024.48

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1.5x scale

Why These Related Problems?

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