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Finding the Fourth Proportional to 953.34, 1,427.13 and 737.34

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Solution

The fourth proportional to 953.34, 1,427.13 and 737.34 is: 1,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    953.34 : 1,427.13 = 737.34 : x
  2. Step 2: Convert to fraction form
    953.34/1,427.13 = 737.34/x
  3. Step 3: Cross multiply
    953.34x = 1,427.13 × 737.34
  4. Step 4: Simplify right side
    953.34x = 1,052,280.03
  5. Step 5: Solve for x
    x = 1,052,280.03/953.34
  6. Step 6: Final answer
    x = 1,103.78

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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.