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Finding the Fourth Proportional to 847.42, 1,267.73 and 733.10

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Solution

The fourth proportional to 847.42, 1,267.73 and 733.10 is: 1,096.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    847.42 : 1,267.73 = 733.10 : x
  2. Step 2: Convert to fraction form
    847.42/1,267.73 = 733.10/x
  3. Step 3: Cross multiply
    847.42x = 1,267.73 × 733.10
  4. Step 4: Simplify right side
    847.42x = 929,365.61
  5. Step 5: Solve for x
    x = 929,365.61/847.42
  6. Step 6: Final answer
    x = 1,096.70

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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.