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Finding the Fourth Proportional to 65,177.64, 89,944.42 and 36,497.56

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Solution

The fourth proportional to 65,177.64, 89,944.42 and 36,497.56 is: 50,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.64 : 89,944.42 = 36,497.56 : x
  2. Step 2: Convert to fraction form
    65,177.64/89,944.42 = 36,497.56/x
  3. Step 3: Cross multiply
    65,177.64x = 89,944.42 × 36,497.56
  4. Step 4: Simplify right side
    65,177.64x = 3,282,751,865.62
  5. Step 5: Solve for x
    x = 3,282,751,865.62/65,177.64
  6. Step 6: Final answer
    x = 50,366.23

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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.