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Finding the Fourth Proportional to 65,563.44, 90,474.84 and 35,755.44

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Solution

The fourth proportional to 65,563.44, 90,474.84 and 35,755.44 is: 49,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,563.44 : 90,474.84 = 35,755.44 : x
  2. Step 2: Convert to fraction form
    65,563.44/90,474.84 = 35,755.44/x
  3. Step 3: Cross multiply
    65,563.44x = 90,474.84 × 35,755.44
  4. Step 4: Simplify right side
    65,563.44x = 3,234,967,713.13
  5. Step 5: Solve for x
    x = 3,234,967,713.13/65,563.44
  6. Step 6: Final answer
    x = 49,341.03

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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.