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Finding the Fourth Proportional to 56,789.87, 85,185.11 and 23,491.89

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Solution

The fourth proportional to 56,789.87, 85,185.11 and 23,491.89 is: 35,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,789.87 : 85,185.11 = 23,491.89 : x
  2. Step 2: Convert to fraction form
    56,789.87/85,185.11 = 23,491.89/x
  3. Step 3: Cross multiply
    56,789.87x = 85,185.11 × 23,491.89
  4. Step 4: Simplify right side
    56,789.87x = 2,001,159,292.49
  5. Step 5: Solve for x
    x = 2,001,159,292.49/56,789.87
  6. Step 6: Final answer
    x = 35,237.97

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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.