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Finding the Fourth Proportional to 57,814.56, 86,690.52 and 26,622

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Solution

The fourth proportional to 57,814.56, 86,690.52 and 26,622 is: 39,918.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,814.56 : 86,690.52 = 26,622 : x
  2. Step 2: Convert to fraction form
    57,814.56/86,690.52 = 26,622/x
  3. Step 3: Cross multiply
    57,814.56x = 86,690.52 × 26,622
  4. Step 4: Simplify right side
    57,814.56x = 2,307,875,023.44
  5. Step 5: Solve for x
    x = 2,307,875,023.44/57,814.56
  6. Step 6: Final answer
    x = 39,918.58

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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.