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Finding the Fourth Proportional to 56,231.61, 84,305.75 and 34,039.74

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Solution

The fourth proportional to 56,231.61, 84,305.75 and 34,039.74 is: 51,034.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,231.61 : 84,305.75 = 34,039.74 : x
  2. Step 2: Convert to fraction form
    56,231.61/84,305.75 = 34,039.74/x
  3. Step 3: Cross multiply
    56,231.61x = 84,305.75 × 34,039.74
  4. Step 4: Simplify right side
    56,231.61x = 2,869,745,640.31
  5. Step 5: Solve for x
    x = 2,869,745,640.31/56,231.61
  6. Step 6: Final answer
    x = 51,034.39

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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.