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Finding the Fourth Proportional to 17,936.01, 26,892.81 and 15,617.79

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Solution

The fourth proportional to 17,936.01, 26,892.81 and 15,617.79 is: 23,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.01 : 26,892.81 = 15,617.79 : x
  2. Step 2: Convert to fraction form
    17,936.01/26,892.81 = 15,617.79/x
  3. Step 3: Cross multiply
    17,936.01x = 26,892.81 × 15,617.79
  4. Step 4: Simplify right side
    17,936.01x = 420,006,259.09
  5. Step 5: Solve for x
    x = 420,006,259.09/17,936.01
  6. Step 6: Final answer
    x = 23,416.93

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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.