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Finding the Fourth Proportional to 53,380.20, 80,003.10 and 27,092.20

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Solution

The fourth proportional to 53,380.20, 80,003.10 and 27,092.20 is: 40,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.20 : 80,003.10 = 27,092.20 : x
  2. Step 2: Convert to fraction form
    53,380.20/80,003.10 = 27,092.20/x
  3. Step 3: Cross multiply
    53,380.20x = 80,003.10 × 27,092.20
  4. Step 4: Simplify right side
    53,380.20x = 2,167,459,985.82
  5. Step 5: Solve for x
    x = 2,167,459,985.82/53,380.20
  6. Step 6: Final answer
    x = 40,604.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.