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Finding the Fourth Proportional to 36,702.67, 50,648.64 and 21,591.87

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Solution

The fourth proportional to 36,702.67, 50,648.64 and 21,591.87 is: 29,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.67 : 50,648.64 = 21,591.87 : x
  2. Step 2: Convert to fraction form
    36,702.67/50,648.64 = 21,591.87/x
  3. Step 3: Cross multiply
    36,702.67x = 50,648.64 × 21,591.87
  4. Step 4: Simplify right side
    36,702.67x = 1,093,598,701.11
  5. Step 5: Solve for x
    x = 1,093,598,701.11/36,702.67
  6. Step 6: Final answer
    x = 29,796.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.