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Finding the Fourth Proportional to 8,344.50, 12,499.74 and 4,824.24

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Solution

The fourth proportional to 8,344.50, 12,499.74 and 4,824.24 is: 7,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.50 : 12,499.74 = 4,824.24 : x
  2. Step 2: Convert to fraction form
    8,344.50/12,499.74 = 4,824.24/x
  3. Step 3: Cross multiply
    8,344.50x = 12,499.74 × 4,824.24
  4. Step 4: Simplify right side
    8,344.50x = 60,301,745.70
  5. Step 5: Solve for x
    x = 60,301,745.70/8,344.50
  6. Step 6: Final answer
    x = 7,226.53

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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.