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Finding the Fourth Proportional to 10,993.94, 16,491.38 and 3,202.76

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Solution

The fourth proportional to 10,993.94, 16,491.38 and 3,202.76 is: 4,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.94 : 16,491.38 = 3,202.76 : x
  2. Step 2: Convert to fraction form
    10,993.94/16,491.38 = 3,202.76/x
  3. Step 3: Cross multiply
    10,993.94x = 16,491.38 × 3,202.76
  4. Step 4: Simplify right side
    10,993.94x = 52,817,833.74
  5. Step 5: Solve for x
    x = 52,817,833.74/10,993.94
  6. Step 6: Final answer
    x = 4,804.27

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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.