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Finding the Fourth Proportional to 56,586.74, 85,218.62 and 51,542.28

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Solution

The fourth proportional to 56,586.74, 85,218.62 and 51,542.28 is: 77,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.74 : 85,218.62 = 51,542.28 : x
  2. Step 2: Convert to fraction form
    56,586.74/85,218.62 = 51,542.28/x
  3. Step 3: Cross multiply
    56,586.74x = 85,218.62 × 51,542.28
  4. Step 4: Simplify right side
    56,586.74x = 4,392,361,715.54
  5. Step 5: Solve for x
    x = 4,392,361,715.54/56,586.74
  6. Step 6: Final answer
    x = 77,621.76

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.