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Finding the Fourth Proportional to 1,517.04, 2,093.44 and 896

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Solution

The fourth proportional to 1,517.04, 2,093.44 and 896 is: 1,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.04 : 2,093.44 = 896 : x
  2. Step 2: Convert to fraction form
    1,517.04/2,093.44 = 896/x
  3. Step 3: Cross multiply
    1,517.04x = 2,093.44 × 896
  4. Step 4: Simplify right side
    1,517.04x = 1,875,722.24
  5. Step 5: Solve for x
    x = 1,875,722.24/1,517.04
  6. Step 6: Final answer
    x = 1,236.44

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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.