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Finding the Fourth Proportional to 16,996.61, 25,491.07 and 6,462.87

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Solution

The fourth proportional to 16,996.61, 25,491.07 and 6,462.87 is: 9,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,996.61 : 25,491.07 = 6,462.87 : x
  2. Step 2: Convert to fraction form
    16,996.61/25,491.07 = 6,462.87/x
  3. Step 3: Cross multiply
    16,996.61x = 25,491.07 × 6,462.87
  4. Step 4: Simplify right side
    16,996.61x = 164,745,471.57
  5. Step 5: Solve for x
    x = 164,745,471.57/16,996.61
  6. Step 6: Final answer
    x = 9,692.84

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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.