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Finding the Fourth Proportional to 8,464.48, 12,697.90 and 3,532.99

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Solution

The fourth proportional to 8,464.48, 12,697.90 and 3,532.99 is: 5,299.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.48 : 12,697.90 = 3,532.99 : x
  2. Step 2: Convert to fraction form
    8,464.48/12,697.90 = 3,532.99/x
  3. Step 3: Cross multiply
    8,464.48x = 12,697.90 × 3,532.99
  4. Step 4: Simplify right side
    8,464.48x = 44,861,472.57
  5. Step 5: Solve for x
    x = 44,861,472.57/8,464.48
  6. Step 6: Final answer
    x = 5,299.97

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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.