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Finding the Fourth Proportional to 2,025.51, 3,037 and 791.47

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Solution

The fourth proportional to 2,025.51, 3,037 and 791.47 is: 1,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.51 : 3,037 = 791.47 : x
  2. Step 2: Convert to fraction form
    2,025.51/3,037 = 791.47/x
  3. Step 3: Cross multiply
    2,025.51x = 3,037 × 791.47
  4. Step 4: Simplify right side
    2,025.51x = 2,403,679.21
  5. Step 5: Solve for x
    x = 2,403,679.21/2,025.51
  6. Step 6: Final answer
    x = 1,186.71

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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.