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Finding the Fourth Proportional to 3,785.34, 5,650.26 and 3,507.39

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Solution

The fourth proportional to 3,785.34, 5,650.26 and 3,507.39 is: 5,235.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785.34 : 5,650.26 = 3,507.39 : x
  2. Step 2: Convert to fraction form
    3,785.34/5,650.26 = 3,507.39/x
  3. Step 3: Cross multiply
    3,785.34x = 5,650.26 × 3,507.39
  4. Step 4: Simplify right side
    3,785.34x = 19,817,665.42
  5. Step 5: Solve for x
    x = 19,817,665.42/3,785.34
  6. Step 6: Final answer
    x = 5,235.37

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.