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Finding the Fourth Proportional to 1,414.94, 1,953.76 and 884.44

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Solution

The fourth proportional to 1,414.94, 1,953.76 and 884.44 is: 1,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.94 : 1,953.76 = 884.44 : x
  2. Step 2: Convert to fraction form
    1,414.94/1,953.76 = 884.44/x
  3. Step 3: Cross multiply
    1,414.94x = 1,953.76 × 884.44
  4. Step 4: Simplify right side
    1,414.94x = 1,727,976.40
  5. Step 5: Solve for x
    x = 1,727,976.40/1,414.94
  6. Step 6: Final answer
    x = 1,221.24

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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.