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Finding the Fourth Proportional to 1,170.93, 1,757.01 and 848.96

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Solution

The fourth proportional to 1,170.93, 1,757.01 and 848.96 is: 1,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170.93 : 1,757.01 = 848.96 : x
  2. Step 2: Convert to fraction form
    1,170.93/1,757.01 = 848.96/x
  3. Step 3: Cross multiply
    1,170.93x = 1,757.01 × 848.96
  4. Step 4: Simplify right side
    1,170.93x = 1,491,627.42
  5. Step 5: Solve for x
    x = 1,491,627.42/1,170.93
  6. Step 6: Final answer
    x = 1,273.88

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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.