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Finding the Fourth Proportional to 1,696.70, 2,544.06 and 1,003.88

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Solution

The fourth proportional to 1,696.70, 2,544.06 and 1,003.88 is: 1,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.70 : 2,544.06 = 1,003.88 : x
  2. Step 2: Convert to fraction form
    1,696.70/2,544.06 = 1,003.88/x
  3. Step 3: Cross multiply
    1,696.70x = 2,544.06 × 1,003.88
  4. Step 4: Simplify right side
    1,696.70x = 2,553,930.95
  5. Step 5: Solve for x
    x = 2,553,930.95/1,696.70
  6. Step 6: Final answer
    x = 1,505.23

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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.