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Finding the Fourth Proportional to 7,476.70, 11,202.45 and 5,910.70

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Solution

The fourth proportional to 7,476.70, 11,202.45 and 5,910.70 is: 8,856.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.70 : 11,202.45 = 5,910.70 : x
  2. Step 2: Convert to fraction form
    7,476.70/11,202.45 = 5,910.70/x
  3. Step 3: Cross multiply
    7,476.70x = 11,202.45 × 5,910.70
  4. Step 4: Simplify right side
    7,476.70x = 66,214,321.22
  5. Step 5: Solve for x
    x = 66,214,321.22/7,476.70
  6. Step 6: Final answer
    x = 8,856.09

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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.