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Finding the Fourth Proportional to 7,496.50, 11,245.29 and 2,879.50

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Solution

The fourth proportional to 7,496.50, 11,245.29 and 2,879.50 is: 4,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.50 : 11,245.29 = 2,879.50 : x
  2. Step 2: Convert to fraction form
    7,496.50/11,245.29 = 2,879.50/x
  3. Step 3: Cross multiply
    7,496.50x = 11,245.29 × 2,879.50
  4. Step 4: Simplify right side
    7,496.50x = 32,380,812.56
  5. Step 5: Solve for x
    x = 32,380,812.56/7,496.50
  6. Step 6: Final answer
    x = 4,319.46

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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.