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Finding the Fourth Proportional to 66,965.31, 100,337.04 and 33,614.91

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Solution

The fourth proportional to 66,965.31, 100,337.04 and 33,614.91 is: 50,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,965.31 : 100,337.04 = 33,614.91 : x
  2. Step 2: Convert to fraction form
    66,965.31/100,337.04 = 33,614.91/x
  3. Step 3: Cross multiply
    66,965.31x = 100,337.04 × 33,614.91
  4. Step 4: Simplify right side
    66,965.31x = 3,372,820,569.27
  5. Step 5: Solve for x
    x = 3,372,820,569.27/66,965.31
  6. Step 6: Final answer
    x = 50,366.68

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1.5x scale

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.