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Finding the Fourth Proportional to 69,649.34, 96,137.97 and 44,498.78

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Solution

The fourth proportional to 69,649.34, 96,137.97 and 44,498.78 is: 61,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,649.34 : 96,137.97 = 44,498.78 : x
  2. Step 2: Convert to fraction form
    69,649.34/96,137.97 = 44,498.78/x
  3. Step 3: Cross multiply
    69,649.34x = 96,137.97 × 44,498.78
  4. Step 4: Simplify right side
    69,649.34x = 4,278,022,376.68
  5. Step 5: Solve for x
    x = 4,278,022,376.68/69,649.34
  6. Step 6: Final answer
    x = 61,422.30

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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.