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Finding the Fourth Proportional to 1,774.14, 2,662.12 and 849.51

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Solution

The fourth proportional to 1,774.14, 2,662.12 and 849.51 is: 1,274.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.14 : 2,662.12 = 849.51 : x
  2. Step 2: Convert to fraction form
    1,774.14/2,662.12 = 849.51/x
  3. Step 3: Cross multiply
    1,774.14x = 2,662.12 × 849.51
  4. Step 4: Simplify right side
    1,774.14x = 2,261,497.56
  5. Step 5: Solve for x
    x = 2,261,497.56/1,774.14
  6. Step 6: Final answer
    x = 1,274.70

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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.