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Finding the Fourth Proportional to 8,372.46, 11,544.50 and 5,343.50

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Solution

The fourth proportional to 8,372.46, 11,544.50 and 5,343.50 is: 7,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.46 : 11,544.50 = 5,343.50 : x
  2. Step 2: Convert to fraction form
    8,372.46/11,544.50 = 5,343.50/x
  3. Step 3: Cross multiply
    8,372.46x = 11,544.50 × 5,343.50
  4. Step 4: Simplify right side
    8,372.46x = 61,688,035.75
  5. Step 5: Solve for x
    x = 61,688,035.75/8,372.46
  6. Step 6: Final answer
    x = 7,367.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.