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Finding the Fourth Proportional to 1,696.12, 2,544.21 and 1,114.82

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Solution

The fourth proportional to 1,696.12, 2,544.21 and 1,114.82 is: 1,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.12 : 2,544.21 = 1,114.82 : x
  2. Step 2: Convert to fraction form
    1,696.12/2,544.21 = 1,114.82/x
  3. Step 3: Cross multiply
    1,696.12x = 2,544.21 × 1,114.82
  4. Step 4: Simplify right side
    1,696.12x = 2,836,347.32
  5. Step 5: Solve for x
    x = 2,836,347.32/1,696.12
  6. Step 6: Final answer
    x = 1,672.26

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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.