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Finding the Fourth Proportional to 1,149.91, 1,713.44 and 1,094.12

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Solution

The fourth proportional to 1,149.91, 1,713.44 and 1,094.12 is: 1,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.91 : 1,713.44 = 1,094.12 : x
  2. Step 2: Convert to fraction form
    1,149.91/1,713.44 = 1,094.12/x
  3. Step 3: Cross multiply
    1,149.91x = 1,713.44 × 1,094.12
  4. Step 4: Simplify right side
    1,149.91x = 1,874,708.97
  5. Step 5: Solve for x
    x = 1,874,708.97/1,149.91
  6. Step 6: Final answer
    x = 1,630.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.