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Finding the Fourth Proportional to 951.03, 1,427.63 and 567.09

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Solution

The fourth proportional to 951.03, 1,427.63 and 567.09 is: 851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.03 : 1,427.63 = 567.09 : x
  2. Step 2: Convert to fraction form
    951.03/1,427.63 = 567.09/x
  3. Step 3: Cross multiply
    951.03x = 1,427.63 × 567.09
  4. Step 4: Simplify right side
    951.03x = 809,591.86
  5. Step 5: Solve for x
    x = 809,591.86/951.03
  6. Step 6: Final answer
    x = 851.28

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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.