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Finding the Fourth Proportional to 1,184.20, 1,773.87 and 951.83

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Solution

The fourth proportional to 1,184.20, 1,773.87 and 951.83 is: 1,425.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.20 : 1,773.87 = 951.83 : x
  2. Step 2: Convert to fraction form
    1,184.20/1,773.87 = 951.83/x
  3. Step 3: Cross multiply
    1,184.20x = 1,773.87 × 951.83
  4. Step 4: Simplify right side
    1,184.20x = 1,688,416.90
  5. Step 5: Solve for x
    x = 1,688,416.90/1,184.20
  6. Step 6: Final answer
    x = 1,425.79

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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.