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Finding the Fourth Proportional to 69,690.58, 96,170.90 and 37,859.40

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Solution

The fourth proportional to 69,690.58, 96,170.90 and 37,859.40 is: 52,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,690.58 : 96,170.90 = 37,859.40 : x
  2. Step 2: Convert to fraction form
    69,690.58/96,170.90 = 37,859.40/x
  3. Step 3: Cross multiply
    69,690.58x = 96,170.90 × 37,859.40
  4. Step 4: Simplify right side
    69,690.58x = 3,640,972,382.16
  5. Step 5: Solve for x
    x = 3,640,972,382.16/69,690.58
  6. Step 6: Final answer
    x = 52,244.83

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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.