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Finding the Fourth Proportional to 10,672.99, 16,006.74 and 7,340.56

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Solution

The fourth proportional to 10,672.99, 16,006.74 and 7,340.56 is: 11,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.99 : 16,006.74 = 7,340.56 : x
  2. Step 2: Convert to fraction form
    10,672.99/16,006.74 = 7,340.56/x
  3. Step 3: Cross multiply
    10,672.99x = 16,006.74 × 7,340.56
  4. Step 4: Simplify right side
    10,672.99x = 117,498,435.37
  5. Step 5: Solve for x
    x = 117,498,435.37/10,672.99
  6. Step 6: Final answer
    x = 11,008.95

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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.