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Finding the Fourth Proportional to 65,687.96, 98,552.60 and 27,754.45

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Solution

The fourth proportional to 65,687.96, 98,552.60 and 27,754.45 is: 41,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,687.96 : 98,552.60 = 27,754.45 : x
  2. Step 2: Convert to fraction form
    65,687.96/98,552.60 = 27,754.45/x
  3. Step 3: Cross multiply
    65,687.96x = 98,552.60 × 27,754.45
  4. Step 4: Simplify right side
    65,687.96x = 2,735,272,928.00
  5. Step 5: Solve for x
    x = 2,735,272,928.00/65,687.96
  6. Step 6: Final answer
    x = 41,640.40

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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.