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Finding the Fourth Proportional to 12,065.92, 18,094 and 4,669

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Solution

The fourth proportional to 12,065.92, 18,094 and 4,669 is: 7,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.92 : 18,094 = 4,669 : x
  2. Step 2: Convert to fraction form
    12,065.92/18,094 = 4,669/x
  3. Step 3: Cross multiply
    12,065.92x = 18,094 × 4,669
  4. Step 4: Simplify right side
    12,065.92x = 84,480,886
  5. Step 5: Solve for x
    x = 84,480,886/12,065.92
  6. Step 6: Final answer
    x = 7,001.61

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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.