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Finding the Fourth Proportional to 65,864.85, 98,797.53 and 15,944.87

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Solution

The fourth proportional to 65,864.85, 98,797.53 and 15,944.87 is: 23,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,864.85 : 98,797.53 = 15,944.87 : x
  2. Step 2: Convert to fraction form
    65,864.85/98,797.53 = 15,944.87/x
  3. Step 3: Cross multiply
    65,864.85x = 98,797.53 × 15,944.87
  4. Step 4: Simplify right side
    65,864.85x = 1,575,313,772.17
  5. Step 5: Solve for x
    x = 1,575,313,772.17/65,864.85
  6. Step 6: Final answer
    x = 23,917.37

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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.