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Finding the Fourth Proportional to 56,067.87, 84,101.81 and 38,484.39

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Solution

The fourth proportional to 56,067.87, 84,101.81 and 38,484.39 is: 57,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,067.87 : 84,101.81 = 38,484.39 : x
  2. Step 2: Convert to fraction form
    56,067.87/84,101.81 = 38,484.39/x
  3. Step 3: Cross multiply
    56,067.87x = 84,101.81 × 38,484.39
  4. Step 4: Simplify right side
    56,067.87x = 3,236,606,663.32
  5. Step 5: Solve for x
    x = 3,236,606,663.32/56,067.87
  6. Step 6: Final answer
    x = 57,726.59

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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.