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Finding the Fourth Proportional to 65,605.44, 90,550.32 and 41,713.44

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Solution

The fourth proportional to 65,605.44, 90,550.32 and 41,713.44 is: 57,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,605.44 : 90,550.32 = 41,713.44 : x
  2. Step 2: Convert to fraction form
    65,605.44/90,550.32 = 41,713.44/x
  3. Step 3: Cross multiply
    65,605.44x = 90,550.32 × 41,713.44
  4. Step 4: Simplify right side
    65,605.44x = 3,777,165,340.30
  5. Step 5: Solve for x
    x = 3,777,165,340.30/65,605.44
  6. Step 6: Final answer
    x = 57,573.97

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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.