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Finding the Fourth Proportional to 7,314.92, 11,012.87 and 5,021.48

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Solution

The fourth proportional to 7,314.92, 11,012.87 and 5,021.48 is: 7,560.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.92 : 11,012.87 = 5,021.48 : x
  2. Step 2: Convert to fraction form
    7,314.92/11,012.87 = 5,021.48/x
  3. Step 3: Cross multiply
    7,314.92x = 11,012.87 × 5,021.48
  4. Step 4: Simplify right side
    7,314.92x = 55,300,906.45
  5. Step 5: Solve for x
    x = 55,300,906.45/7,314.92
  6. Step 6: Final answer
    x = 7,560.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.