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Finding the Fourth Proportional to 17,864.41, 26,796.71 and 7,331.71

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Solution

The fourth proportional to 17,864.41, 26,796.71 and 7,331.71 is: 10,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.41 : 26,796.71 = 7,331.71 : x
  2. Step 2: Convert to fraction form
    17,864.41/26,796.71 = 7,331.71/x
  3. Step 3: Cross multiply
    17,864.41x = 26,796.71 × 7,331.71
  4. Step 4: Simplify right side
    17,864.41x = 196,465,536.03
  5. Step 5: Solve for x
    x = 196,465,536.03/17,864.41
  6. Step 6: Final answer
    x = 10,997.60

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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.