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Finding the Fourth Proportional to 16,997.96, 23,444.70 and 9,923.96

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Solution

The fourth proportional to 16,997.96, 23,444.70 and 9,923.96 is: 13,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,997.96 : 23,444.70 = 9,923.96 : x
  2. Step 2: Convert to fraction form
    16,997.96/23,444.70 = 9,923.96/x
  3. Step 3: Cross multiply
    16,997.96x = 23,444.70 × 9,923.96
  4. Step 4: Simplify right side
    16,997.96x = 232,664,265.01
  5. Step 5: Solve for x
    x = 232,664,265.01/16,997.96
  6. Step 6: Final answer
    x = 13,687.78

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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.