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Finding the Fourth Proportional to 1,612.91, 2,224.62 and 1,014.82

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Solution

The fourth proportional to 1,612.91, 2,224.62 and 1,014.82 is: 1,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.91 : 2,224.62 = 1,014.82 : x
  2. Step 2: Convert to fraction form
    1,612.91/2,224.62 = 1,014.82/x
  3. Step 3: Cross multiply
    1,612.91x = 2,224.62 × 1,014.82
  4. Step 4: Simplify right side
    1,612.91x = 2,257,588.87
  5. Step 5: Solve for x
    x = 2,257,588.87/1,612.91
  6. Step 6: Final answer
    x = 1,399.70

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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.