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Finding the Fourth Proportional to 2,035.57, 3,054.24 and 866.37

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Solution

The fourth proportional to 2,035.57, 3,054.24 and 866.37 is: 1,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.57 : 3,054.24 = 866.37 : x
  2. Step 2: Convert to fraction form
    2,035.57/3,054.24 = 866.37/x
  3. Step 3: Cross multiply
    2,035.57x = 3,054.24 × 866.37
  4. Step 4: Simplify right side
    2,035.57x = 2,646,101.91
  5. Step 5: Solve for x
    x = 2,646,101.91/2,035.57
  6. Step 6: Final answer
    x = 1,299.93

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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.