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Finding the Fourth Proportional to 18,157.08, 27,229.08 and 6,467.96

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Solution

The fourth proportional to 18,157.08, 27,229.08 and 6,467.96 is: 9,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.08 : 27,229.08 = 6,467.96 : x
  2. Step 2: Convert to fraction form
    18,157.08/27,229.08 = 6,467.96/x
  3. Step 3: Cross multiply
    18,157.08x = 27,229.08 × 6,467.96
  4. Step 4: Simplify right side
    18,157.08x = 176,116,600.28
  5. Step 5: Solve for x
    x = 176,116,600.28/18,157.08
  6. Step 6: Final answer
    x = 9,699.61

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1.5x scale

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.