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Finding the Fourth Proportional to 69,726.78, 96,218.96 and 37,895.42

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Solution

The fourth proportional to 69,726.78, 96,218.96 and 37,895.42 is: 52,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,726.78 : 96,218.96 = 37,895.42 : x
  2. Step 2: Convert to fraction form
    69,726.78/96,218.96 = 37,895.42/x
  3. Step 3: Cross multiply
    69,726.78x = 96,218.96 × 37,895.42
  4. Step 4: Simplify right side
    69,726.78x = 3,646,257,952.23
  5. Step 5: Solve for x
    x = 3,646,257,952.23/69,726.78
  6. Step 6: Final answer
    x = 52,293.51

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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.