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Finding the Fourth Proportional to 18,594.94, 27,891 and 6,115.37

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Solution

The fourth proportional to 18,594.94, 27,891 and 6,115.37 is: 9,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.94 : 27,891 = 6,115.37 : x
  2. Step 2: Convert to fraction form
    18,594.94/27,891 = 6,115.37/x
  3. Step 3: Cross multiply
    18,594.94x = 27,891 × 6,115.37
  4. Step 4: Simplify right side
    18,594.94x = 170,563,784.67
  5. Step 5: Solve for x
    x = 170,563,784.67/18,594.94
  6. Step 6: Final answer
    x = 9,172.59

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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.