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Finding the Fourth Proportional to 65,864.84, 98,797.51 and 15,944.85

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Solution

The fourth proportional to 65,864.84, 98,797.51 and 15,944.85 is: 23,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,864.84 : 98,797.51 = 15,944.85 : x
  2. Step 2: Convert to fraction form
    65,864.84/98,797.51 = 15,944.85/x
  3. Step 3: Cross multiply
    65,864.84x = 98,797.51 × 15,944.85
  4. Step 4: Simplify right side
    65,864.84x = 1,575,311,521.10
  5. Step 5: Solve for x
    x = 1,575,311,521.10/65,864.84
  6. Step 6: Final answer
    x = 23,917.34

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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.