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Finding the Fourth Proportional to 65,944.35, 91,003.32 and 35,729.94

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Solution

The fourth proportional to 65,944.35, 91,003.32 and 35,729.94 is: 49,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,944.35 : 91,003.32 = 35,729.94 : x
  2. Step 2: Convert to fraction form
    65,944.35/91,003.32 = 35,729.94/x
  3. Step 3: Cross multiply
    65,944.35x = 91,003.32 × 35,729.94
  4. Step 4: Simplify right side
    65,944.35x = 3,251,543,163.40
  5. Step 5: Solve for x
    x = 3,251,543,163.40/65,944.35
  6. Step 6: Final answer
    x = 49,307.38

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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.