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Finding the Fourth Proportional to 69,690.81, 96,169.68 and 37,859.61

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Solution

The fourth proportional to 69,690.81, 96,169.68 and 37,859.61 is: 52,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.81 : 96,169.68 = 37,859.61 : x
  2. Step 2: Convert to fraction form
    69,690.81/96,169.68 = 37,859.61/x
  3. Step 3: Cross multiply
    69,690.81x = 96,169.68 × 37,859.61
  4. Step 4: Simplify right side
    69,690.81x = 3,640,946,578.62
  5. Step 5: Solve for x
    x = 3,640,946,578.62/69,690.81
  6. Step 6: Final answer
    x = 52,244.29

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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.