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Finding the Fourth Proportional to 1,711.22, 2,361.49 and 925.27

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Solution

The fourth proportional to 1,711.22, 2,361.49 and 925.27 is: 1,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.22 : 2,361.49 = 925.27 : x
  2. Step 2: Convert to fraction form
    1,711.22/2,361.49 = 925.27/x
  3. Step 3: Cross multiply
    1,711.22x = 2,361.49 × 925.27
  4. Step 4: Simplify right side
    1,711.22x = 2,185,007.64
  5. Step 5: Solve for x
    x = 2,185,007.64/1,711.22
  6. Step 6: Final answer
    x = 1,276.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.