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Finding the Fourth Proportional to 10,672.90, 16,012.06 and 4,099.56

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Solution

The fourth proportional to 10,672.90, 16,012.06 and 4,099.56 is: 6,150.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.90 : 16,012.06 = 4,099.56 : x
  2. Step 2: Convert to fraction form
    10,672.90/16,012.06 = 4,099.56/x
  3. Step 3: Cross multiply
    10,672.90x = 16,012.06 × 4,099.56
  4. Step 4: Simplify right side
    10,672.90x = 65,642,400.69
  5. Step 5: Solve for x
    x = 65,642,400.69/10,672.90
  6. Step 6: Final answer
    x = 6,150.38

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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.