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Finding the Fourth Proportional to 7,472.70, 11,196.45 and 5,906.70

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Solution

The fourth proportional to 7,472.70, 11,196.45 and 5,906.70 is: 8,850.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.70 : 11,196.45 = 5,906.70 : x
  2. Step 2: Convert to fraction form
    7,472.70/11,196.45 = 5,906.70/x
  3. Step 3: Cross multiply
    7,472.70x = 11,196.45 × 5,906.70
  4. Step 4: Simplify right side
    7,472.70x = 66,134,071.22
  5. Step 5: Solve for x
    x = 66,134,071.22/7,472.70
  6. Step 6: Final answer
    x = 8,850.09

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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.