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Finding the Fourth Proportional to 36,702.48, 50,649.84 and 19,935.84

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Solution

The fourth proportional to 36,702.48, 50,649.84 and 19,935.84 is: 27,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.48 : 50,649.84 = 19,935.84 : x
  2. Step 2: Convert to fraction form
    36,702.48/50,649.84 = 19,935.84/x
  3. Step 3: Cross multiply
    36,702.48x = 50,649.84 × 19,935.84
  4. Step 4: Simplify right side
    36,702.48x = 1,009,747,106.27
  5. Step 5: Solve for x
    x = 1,009,747,106.27/36,702.48
  6. Step 6: Final answer
    x = 27,511.69

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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.