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Finding the Fourth Proportional to 6,651.89, 9,981.21 and 4,432.24

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Solution

The fourth proportional to 6,651.89, 9,981.21 and 4,432.24 is: 6,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651.89 : 9,981.21 = 4,432.24 : x
  2. Step 2: Convert to fraction form
    6,651.89/9,981.21 = 4,432.24/x
  3. Step 3: Cross multiply
    6,651.89x = 9,981.21 × 4,432.24
  4. Step 4: Simplify right side
    6,651.89x = 44,239,096.05
  5. Step 5: Solve for x
    x = 44,239,096.05/6,651.89
  6. Step 6: Final answer
    x = 6,650.61

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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.