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Finding the Fourth Proportional to 65,717.80, 98,540.70 and 32,364.52

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Solution

The fourth proportional to 65,717.80, 98,540.70 and 32,364.52 is: 48,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.80 : 98,540.70 = 32,364.52 : x
  2. Step 2: Convert to fraction form
    65,717.80/98,540.70 = 32,364.52/x
  3. Step 3: Cross multiply
    65,717.80x = 98,540.70 × 32,364.52
  4. Step 4: Simplify right side
    65,717.80x = 3,189,222,455.96
  5. Step 5: Solve for x
    x = 3,189,222,455.96/65,717.80
  6. Step 6: Final answer
    x = 48,529.05

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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.