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Finding the Fourth Proportional to 65,352.75, 90,186.81 and 35,544.75

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Solution

The fourth proportional to 65,352.75, 90,186.81 and 35,544.75 is: 49,051.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.75 : 90,186.81 = 35,544.75 : x
  2. Step 2: Convert to fraction form
    65,352.75/90,186.81 = 35,544.75/x
  3. Step 3: Cross multiply
    65,352.75x = 90,186.81 × 35,544.75
  4. Step 4: Simplify right side
    65,352.75x = 3,205,667,614.75
  5. Step 5: Solve for x
    x = 3,205,667,614.75/65,352.75
  6. Step 6: Final answer
    x = 49,051.76

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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.