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Finding the Fourth Proportional to 65,233.44, 90,022.56 and 35,425.44

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Solution

The fourth proportional to 65,233.44, 90,022.56 and 35,425.44 is: 48,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,233.44 : 90,022.56 = 35,425.44 : x
  2. Step 2: Convert to fraction form
    65,233.44/90,022.56 = 35,425.44/x
  3. Step 3: Cross multiply
    65,233.44x = 90,022.56 × 35,425.44
  4. Step 4: Simplify right side
    65,233.44x = 3,189,088,797.93
  5. Step 5: Solve for x
    x = 3,189,088,797.93/65,233.44
  6. Step 6: Final answer
    x = 48,887.33

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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.