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Finding the Fourth Proportional to 26,644.44, 39,966.63 and 7,924.39

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Solution

The fourth proportional to 26,644.44, 39,966.63 and 7,924.39 is: 11,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.44 : 39,966.63 = 7,924.39 : x
  2. Step 2: Convert to fraction form
    26,644.44/39,966.63 = 7,924.39/x
  3. Step 3: Cross multiply
    26,644.44x = 39,966.63 × 7,924.39
  4. Step 4: Simplify right side
    26,644.44x = 316,711,163.11
  5. Step 5: Solve for x
    x = 316,711,163.11/26,644.44
  6. Step 6: Final answer
    x = 11,886.58

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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.