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Finding the Fourth Proportional to 69,614.78, 96,067.80 and 37,782.99

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Solution

The fourth proportional to 69,614.78, 96,067.80 and 37,782.99 is: 52,140.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,614.78 : 96,067.80 = 37,782.99 : x
  2. Step 2: Convert to fraction form
    69,614.78/96,067.80 = 37,782.99/x
  3. Step 3: Cross multiply
    69,614.78x = 96,067.80 × 37,782.99
  4. Step 4: Simplify right side
    69,614.78x = 3,629,728,726.72
  5. Step 5: Solve for x
    x = 3,629,728,726.72/69,614.78
  6. Step 6: Final answer
    x = 52,140.21

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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.