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Finding the Fourth Proportional to 69,651.77, 96,119.82 and 37,820.66

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Solution

The fourth proportional to 69,651.77, 96,119.82 and 37,820.66 is: 52,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,651.77 : 96,119.82 = 37,820.66 : x
  2. Step 2: Convert to fraction form
    69,651.77/96,119.82 = 37,820.66/x
  3. Step 3: Cross multiply
    69,651.77x = 96,119.82 × 37,820.66
  4. Step 4: Simplify right side
    69,651.77x = 3,635,314,550.88
  5. Step 5: Solve for x
    x = 3,635,314,550.88/69,651.77
  6. Step 6: Final answer
    x = 52,192.71

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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.