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Finding the Fourth Proportional to 11,793.40, 17,691.01 and 4,770.09

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Solution

The fourth proportional to 11,793.40, 17,691.01 and 4,770.09 is: 7,155.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,793.40 : 17,691.01 = 4,770.09 : x
  2. Step 2: Convert to fraction form
    11,793.40/17,691.01 = 4,770.09/x
  3. Step 3: Cross multiply
    11,793.40x = 17,691.01 × 4,770.09
  4. Step 4: Simplify right side
    11,793.40x = 84,387,697.97
  5. Step 5: Solve for x
    x = 84,387,697.97/11,793.40
  6. Step 6: Final answer
    x = 7,155.50

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1.5x scale

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.