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Finding the Fourth Proportional to 934.44, 1,289.10 and 737.64

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Solution

The fourth proportional to 934.44, 1,289.10 and 737.64 is: 1,017.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.44 : 1,289.10 = 737.64 : x
  2. Step 2: Convert to fraction form
    934.44/1,289.10 = 737.64/x
  3. Step 3: Cross multiply
    934.44x = 1,289.10 × 737.64
  4. Step 4: Simplify right side
    934.44x = 950,891.72
  5. Step 5: Solve for x
    x = 950,891.72/934.44
  6. Step 6: Final answer
    x = 1,017.61

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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.