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Finding the Fourth Proportional to 36,876.88, 50,896.32 and 21,773.32

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Solution

The fourth proportional to 36,876.88, 50,896.32 and 21,773.32 is: 30,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,876.88 : 50,896.32 = 21,773.32 : x
  2. Step 2: Convert to fraction form
    36,876.88/50,896.32 = 21,773.32/x
  3. Step 3: Cross multiply
    36,876.88x = 50,896.32 × 21,773.32
  4. Step 4: Simplify right side
    36,876.88x = 1,108,181,862.18
  5. Step 5: Solve for x
    x = 1,108,181,862.18/36,876.88
  6. Step 6: Final answer
    x = 30,050.86

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1.5x scale

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.