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Finding the Fourth Proportional to 22,066.68, 33,121.92 and 17,955.12

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Solution

The fourth proportional to 22,066.68, 33,121.92 and 17,955.12 is: 26,950.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,066.68 : 33,121.92 = 17,955.12 : x
  2. Step 2: Convert to fraction form
    22,066.68/33,121.92 = 17,955.12/x
  3. Step 3: Cross multiply
    22,066.68x = 33,121.92 × 17,955.12
  4. Step 4: Simplify right side
    22,066.68x = 594,708,048.23
  5. Step 5: Solve for x
    x = 594,708,048.23/22,066.68
  6. Step 6: Final answer
    x = 26,950.50

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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.