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Finding the Fourth Proportional to 8,650.32, 11,925 and 6,162

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Solution

The fourth proportional to 8,650.32, 11,925 and 6,162 is: 8,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.32 : 11,925 = 6,162 : x
  2. Step 2: Convert to fraction form
    8,650.32/11,925 = 6,162/x
  3. Step 3: Cross multiply
    8,650.32x = 11,925 × 6,162
  4. Step 4: Simplify right side
    8,650.32x = 73,481,850
  5. Step 5: Solve for x
    x = 73,481,850/8,650.32
  6. Step 6: Final answer
    x = 8,494.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.