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Finding the Fourth Proportional to 66,253.05, 99,411.46 and 32,976.03

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Solution

The fourth proportional to 66,253.05, 99,411.46 and 32,976.03 is: 49,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,253.05 : 99,411.46 = 32,976.03 : x
  2. Step 2: Convert to fraction form
    66,253.05/99,411.46 = 32,976.03/x
  3. Step 3: Cross multiply
    66,253.05x = 99,411.46 × 32,976.03
  4. Step 4: Simplify right side
    66,253.05x = 3,278,194,872.69
  5. Step 5: Solve for x
    x = 3,278,194,872.69/66,253.05
  6. Step 6: Final answer
    x = 49,479.91

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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.