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Finding the Fourth Proportional to 12,167, 18,251.67 and 5,595.02

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Solution

The fourth proportional to 12,167, 18,251.67 and 5,595.02 is: 8,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167 : 18,251.67 = 5,595.02 : x
  2. Step 2: Convert to fraction form
    12,167/18,251.67 = 5,595.02/x
  3. Step 3: Cross multiply
    12,167x = 18,251.67 × 5,595.02
  4. Step 4: Simplify right side
    12,167x = 102,118,458.68
  5. Step 5: Solve for x
    x = 102,118,458.68/12,167
  6. Step 6: Final answer
    x = 8,393.07

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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.