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Finding the Fourth Proportional to 22,646.38, 33,961.89 and 8,603.02

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Solution

The fourth proportional to 22,646.38, 33,961.89 and 8,603.02 is: 12,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,646.38 : 33,961.89 = 8,603.02 : x
  2. Step 2: Convert to fraction form
    22,646.38/33,961.89 = 8,603.02/x
  3. Step 3: Cross multiply
    22,646.38x = 33,961.89 × 8,603.02
  4. Step 4: Simplify right side
    22,646.38x = 292,174,818.91
  5. Step 5: Solve for x
    x = 292,174,818.91/22,646.38
  6. Step 6: Final answer
    x = 12,901.61

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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.