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Finding the Fourth Proportional to 22,065.93, 33,149.12 and 13,306.59

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Solution

The fourth proportional to 22,065.93, 33,149.12 and 13,306.59 is: 19,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.93 : 33,149.12 = 13,306.59 : x
  2. Step 2: Convert to fraction form
    22,065.93/33,149.12 = 13,306.59/x
  3. Step 3: Cross multiply
    22,065.93x = 33,149.12 × 13,306.59
  4. Step 4: Simplify right side
    22,065.93x = 441,101,682.17
  5. Step 5: Solve for x
    x = 441,101,682.17/22,065.93
  6. Step 6: Final answer
    x = 19,990.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.