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Finding the Fourth Proportional to 73,549.82, 100,791.74 and 66,463.94

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Solution

The fourth proportional to 73,549.82, 100,791.74 and 66,463.94 is: 91,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,549.82 : 100,791.74 = 66,463.94 : x
  2. Step 2: Convert to fraction form
    73,549.82/100,791.74 = 66,463.94/x
  3. Step 3: Cross multiply
    73,549.82x = 100,791.74 × 66,463.94
  4. Step 4: Simplify right side
    73,549.82x = 6,699,016,577.99
  5. Step 5: Solve for x
    x = 6,699,016,577.99/73,549.82
  6. Step 6: Final answer
    x = 91,081.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.