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Finding the Fourth Proportional to 56,062.56, 77,371.80 and 41,890.80

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Solution

The fourth proportional to 56,062.56, 77,371.80 and 41,890.80 is: 57,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,062.56 : 77,371.80 = 41,890.80 : x
  2. Step 2: Convert to fraction form
    56,062.56/77,371.80 = 41,890.80/x
  3. Step 3: Cross multiply
    56,062.56x = 77,371.80 × 41,890.80
  4. Step 4: Simplify right side
    56,062.56x = 3,241,166,599.44
  5. Step 5: Solve for x
    x = 3,241,166,599.44/56,062.56
  6. Step 6: Final answer
    x = 57,813.39

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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.