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Finding the Fourth Proportional to 22,098.62, 33,147.93 and 8,941.94

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Solution

The fourth proportional to 22,098.62, 33,147.93 and 8,941.94 is: 13,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,098.62 : 33,147.93 = 8,941.94 : x
  2. Step 2: Convert to fraction form
    22,098.62/33,147.93 = 8,941.94/x
  3. Step 3: Cross multiply
    22,098.62x = 33,147.93 × 8,941.94
  4. Step 4: Simplify right side
    22,098.62x = 296,406,801.18
  5. Step 5: Solve for x
    x = 296,406,801.18/22,098.62
  6. Step 6: Final answer
    x = 13,412.91

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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.