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Finding the Fourth Proportional to 1,197.03, 1,793.07 and 709.82

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Solution

The fourth proportional to 1,197.03, 1,793.07 and 709.82 is: 1,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197.03 : 1,793.07 = 709.82 : x
  2. Step 2: Convert to fraction form
    1,197.03/1,793.07 = 709.82/x
  3. Step 3: Cross multiply
    1,197.03x = 1,793.07 × 709.82
  4. Step 4: Simplify right side
    1,197.03x = 1,272,747.98
  5. Step 5: Solve for x
    x = 1,272,747.98/1,197.03
  6. Step 6: Final answer
    x = 1,063.25

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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.