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Finding the Fourth Proportional to 18,437.58, 27,654 and 5,956.31

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Solution

The fourth proportional to 18,437.58, 27,654 and 5,956.31 is: 8,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.58 : 27,654 = 5,956.31 : x
  2. Step 2: Convert to fraction form
    18,437.58/27,654 = 5,956.31/x
  3. Step 3: Cross multiply
    18,437.58x = 27,654 × 5,956.31
  4. Step 4: Simplify right side
    18,437.58x = 164,715,658.47
  5. Step 5: Solve for x
    x = 164,715,658.47/18,437.58
  6. Step 6: Final answer
    x = 8,933.69

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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.