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Finding the Fourth Proportional to 7,889.93, 11,836.94 and 2,343.23

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Solution

The fourth proportional to 7,889.93, 11,836.94 and 2,343.23 is: 3,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.93 : 11,836.94 = 2,343.23 : x
  2. Step 2: Convert to fraction form
    7,889.93/11,836.94 = 2,343.23/x
  3. Step 3: Cross multiply
    7,889.93x = 11,836.94 × 2,343.23
  4. Step 4: Simplify right side
    7,889.93x = 27,736,672.92
  5. Step 5: Solve for x
    x = 27,736,672.92/7,889.93
  6. Step 6: Final answer
    x = 3,515.45

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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.