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Finding the Fourth Proportional to 5,270.70, 7,906.05 and 5,027.70

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Solution

The fourth proportional to 5,270.70, 7,906.05 and 5,027.70 is: 7,541.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.70 : 7,906.05 = 5,027.70 : x
  2. Step 2: Convert to fraction form
    5,270.70/7,906.05 = 5,027.70/x
  3. Step 3: Cross multiply
    5,270.70x = 7,906.05 × 5,027.70
  4. Step 4: Simplify right side
    5,270.70x = 39,749,247.59
  5. Step 5: Solve for x
    x = 39,749,247.59/5,270.70
  6. Step 6: Final answer
    x = 7,541.55

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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.