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Finding the Fourth Proportional to 67,853.43, 93,631.41 and 37,638.68

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Solution

The fourth proportional to 67,853.43, 93,631.41 and 37,638.68 is: 51,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.43 : 93,631.41 = 37,638.68 : x
  2. Step 2: Convert to fraction form
    67,853.43/93,631.41 = 37,638.68/x
  3. Step 3: Cross multiply
    67,853.43x = 93,631.41 × 37,638.68
  4. Step 4: Simplify right side
    67,853.43x = 3,524,162,210.78
  5. Step 5: Solve for x
    x = 3,524,162,210.78/67,853.43
  6. Step 6: Final answer
    x = 51,937.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.