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Finding the Fourth Proportional to 56,283.89, 84,383.91 and 34,091.91

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Solution

The fourth proportional to 56,283.89, 84,383.91 and 34,091.91 is: 51,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,283.89 : 84,383.91 = 34,091.91 : x
  2. Step 2: Convert to fraction form
    56,283.89/84,383.91 = 34,091.91/x
  3. Step 3: Cross multiply
    56,283.89x = 84,383.91 × 34,091.91
  4. Step 4: Simplify right side
    56,283.89x = 2,876,808,665.17
  5. Step 5: Solve for x
    x = 2,876,808,665.17/56,283.89
  6. Step 6: Final answer
    x = 51,112.48

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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.