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Finding the Fourth Proportional to 36,781.29, 50,759.15 and 20,014.29

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Solution

The fourth proportional to 36,781.29, 50,759.15 and 20,014.29 is: 27,620.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,781.29 : 50,759.15 = 20,014.29 : x
  2. Step 2: Convert to fraction form
    36,781.29/50,759.15 = 20,014.29/x
  3. Step 3: Cross multiply
    36,781.29x = 50,759.15 × 20,014.29
  4. Step 4: Simplify right side
    36,781.29x = 1,015,908,248.18
  5. Step 5: Solve for x
    x = 1,015,908,248.18/36,781.29
  6. Step 6: Final answer
    x = 27,620.25

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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.