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Finding the Fourth Proportional to 73,857.82, 110,777.01 and 20,553.34

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Solution

The fourth proportional to 73,857.82, 110,777.01 and 20,553.34 is: 30,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,857.82 : 110,777.01 = 20,553.34 : x
  2. Step 2: Convert to fraction form
    73,857.82/110,777.01 = 20,553.34/x
  3. Step 3: Cross multiply
    73,857.82x = 110,777.01 × 20,553.34
  4. Step 4: Simplify right side
    73,857.82x = 2,276,837,550.71
  5. Step 5: Solve for x
    x = 2,276,837,550.71/73,857.82
  6. Step 6: Final answer
    x = 30,827.31

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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.