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Finding the Fourth Proportional to 957.62, 1,435.05 and 737.44

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Solution

The fourth proportional to 957.62, 1,435.05 and 737.44 is: 1,105.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.62 : 1,435.05 = 737.44 : x
  2. Step 2: Convert to fraction form
    957.62/1,435.05 = 737.44/x
  3. Step 3: Cross multiply
    957.62x = 1,435.05 × 737.44
  4. Step 4: Simplify right side
    957.62x = 1,058,259.68
  5. Step 5: Solve for x
    x = 1,058,259.68/957.62
  6. Step 6: Final answer
    x = 1,105.09

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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.