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Finding the Fourth Proportional to 16,449.18, 22,699.53 and 8,997.18

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Solution

The fourth proportional to 16,449.18, 22,699.53 and 8,997.18 is: 12,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,449.18 : 22,699.53 = 8,997.18 : x
  2. Step 2: Convert to fraction form
    16,449.18/22,699.53 = 8,997.18/x
  3. Step 3: Cross multiply
    16,449.18x = 22,699.53 × 8,997.18
  4. Step 4: Simplify right side
    16,449.18x = 204,231,757.33
  5. Step 5: Solve for x
    x = 204,231,757.33/16,449.18
  6. Step 6: Final answer
    x = 12,415.92

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1.5x scale

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.