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Finding the Fourth Proportional to 66,528.92, 99,793.10 and 27,076.68

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Solution

The fourth proportional to 66,528.92, 99,793.10 and 27,076.68 is: 40,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.92 : 99,793.10 = 27,076.68 : x
  2. Step 2: Convert to fraction form
    66,528.92/99,793.10 = 27,076.68/x
  3. Step 3: Cross multiply
    66,528.92x = 99,793.10 × 27,076.68
  4. Step 4: Simplify right side
    66,528.92x = 2,702,065,834.91
  5. Step 5: Solve for x
    x = 2,702,065,834.91/66,528.92
  6. Step 6: Final answer
    x = 40,614.91

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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.