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Finding the Fourth Proportional to 8,325.94, 11,481.99 and 5,342.71

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Solution

The fourth proportional to 8,325.94, 11,481.99 and 5,342.71 is: 7,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.94 : 11,481.99 = 5,342.71 : x
  2. Step 2: Convert to fraction form
    8,325.94/11,481.99 = 5,342.71/x
  3. Step 3: Cross multiply
    8,325.94x = 11,481.99 × 5,342.71
  4. Step 4: Simplify right side
    8,325.94x = 61,344,942.79
  5. Step 5: Solve for x
    x = 61,344,942.79/8,325.94
  6. Step 6: Final answer
    x = 7,367.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.