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Finding the Fourth Proportional to 36,548.20, 50,436.51 and 19,781.20

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Solution

The fourth proportional to 36,548.20, 50,436.51 and 19,781.20 is: 27,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,548.20 : 50,436.51 = 19,781.20 : x
  2. Step 2: Convert to fraction form
    36,548.20/50,436.51 = 19,781.20/x
  3. Step 3: Cross multiply
    36,548.20x = 50,436.51 × 19,781.20
  4. Step 4: Simplify right side
    36,548.20x = 997,694,691.61
  5. Step 5: Solve for x
    x = 997,694,691.61/36,548.20
  6. Step 6: Final answer
    x = 27,298.05

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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.