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Finding the Fourth Proportional to 56,447.77, 77,862.22 and 36,269.97

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Solution

The fourth proportional to 56,447.77, 77,862.22 and 36,269.97 is: 50,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,447.77 : 77,862.22 = 36,269.97 : x
  2. Step 2: Convert to fraction form
    56,447.77/77,862.22 = 36,269.97/x
  3. Step 3: Cross multiply
    56,447.77x = 77,862.22 × 36,269.97
  4. Step 4: Simplify right side
    56,447.77x = 2,824,060,383.53
  5. Step 5: Solve for x
    x = 2,824,060,383.53/56,447.77
  6. Step 6: Final answer
    x = 50,029.62

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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.