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Finding the Fourth Proportional to 36,702.68, 50,649.42 and 19,935.80

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Solution

The fourth proportional to 36,702.68, 50,649.42 and 19,935.80 is: 27,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,702.68 : 50,649.42 = 19,935.80 : x
  2. Step 2: Convert to fraction form
    36,702.68/50,649.42 = 19,935.80/x
  3. Step 3: Cross multiply
    36,702.68x = 50,649.42 × 19,935.80
  4. Step 4: Simplify right side
    36,702.68x = 1,009,736,707.24
  5. Step 5: Solve for x
    x = 1,009,736,707.24/36,702.68
  6. Step 6: Final answer
    x = 27,511.25

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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.