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Finding the Fourth Proportional to 65,838.32, 98,757.48 and 36,240.92

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Solution

The fourth proportional to 65,838.32, 98,757.48 and 36,240.92 is: 54,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,838.32 : 98,757.48 = 36,240.92 : x
  2. Step 2: Convert to fraction form
    65,838.32/98,757.48 = 36,240.92/x
  3. Step 3: Cross multiply
    65,838.32x = 98,757.48 × 36,240.92
  4. Step 4: Simplify right side
    65,838.32x = 3,579,061,932.08
  5. Step 5: Solve for x
    x = 3,579,061,932.08/65,838.32
  6. Step 6: Final answer
    x = 54,361.38

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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.