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Finding the Fourth Proportional to 67,322.22, 100,983.03 and 17,398.07

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Solution

The fourth proportional to 67,322.22, 100,983.03 and 17,398.07 is: 26,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322.22 : 100,983.03 = 17,398.07 : x
  2. Step 2: Convert to fraction form
    67,322.22/100,983.03 = 17,398.07/x
  3. Step 3: Cross multiply
    67,322.22x = 100,983.03 × 17,398.07
  4. Step 4: Simplify right side
    67,322.22x = 1,756,910,011.97
  5. Step 5: Solve for x
    x = 1,756,910,011.97/67,322.22
  6. Step 6: Final answer
    x = 26,097.03

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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.