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Finding the Fourth Proportional to 10,672.71, 16,004.96 and 7,375.81

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Solution

The fourth proportional to 10,672.71, 16,004.96 and 7,375.81 is: 11,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.71 : 16,004.96 = 7,375.81 : x
  2. Step 2: Convert to fraction form
    10,672.71/16,004.96 = 7,375.81/x
  3. Step 3: Cross multiply
    10,672.71x = 16,004.96 × 7,375.81
  4. Step 4: Simplify right side
    10,672.71x = 118,049,544.02
  5. Step 5: Solve for x
    x = 118,049,544.02/10,672.71
  6. Step 6: Final answer
    x = 11,060.88

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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.