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Finding the Fourth Proportional to 65,797.44, 98,736.66 and 30,740.64

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Solution

The fourth proportional to 65,797.44, 98,736.66 and 30,740.64 is: 46,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,797.44 : 98,736.66 = 30,740.64 : x
  2. Step 2: Convert to fraction form
    65,797.44/98,736.66 = 30,740.64/x
  3. Step 3: Cross multiply
    65,797.44x = 98,736.66 × 30,740.64
  4. Step 4: Simplify right side
    65,797.44x = 3,035,228,119.86
  5. Step 5: Solve for x
    x = 3,035,228,119.86/65,797.44
  6. Step 6: Final answer
    x = 46,129.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.