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Finding the Fourth Proportional to 65,536.92, 98,305.29 and 18,789.75

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Solution

The fourth proportional to 65,536.92, 98,305.29 and 18,789.75 is: 28,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,536.92 : 98,305.29 = 18,789.75 : x
  2. Step 2: Convert to fraction form
    65,536.92/98,305.29 = 18,789.75/x
  3. Step 3: Cross multiply
    65,536.92x = 98,305.29 × 18,789.75
  4. Step 4: Simplify right side
    65,536.92x = 1,847,131,822.78
  5. Step 5: Solve for x
    x = 1,847,131,822.78/65,536.92
  6. Step 6: Final answer
    x = 28,184.60

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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.