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Finding the Fourth Proportional to 69,124.78, 103,703.64 and 22,377.66

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Solution

The fourth proportional to 69,124.78, 103,703.64 and 22,377.66 is: 33,571.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.78 : 103,703.64 = 22,377.66 : x
  2. Step 2: Convert to fraction form
    69,124.78/103,703.64 = 22,377.66/x
  3. Step 3: Cross multiply
    69,124.78x = 103,703.64 × 22,377.66
  4. Step 4: Simplify right side
    69,124.78x = 2,320,644,796.68
  5. Step 5: Solve for x
    x = 2,320,644,796.68/69,124.78
  6. Step 6: Final answer
    x = 33,571.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.