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Finding the Fourth Proportional to 11,950.54, 16,491.06 and 6,644.30

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Solution

The fourth proportional to 11,950.54, 16,491.06 and 6,644.30 is: 9,168.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.54 : 16,491.06 = 6,644.30 : x
  2. Step 2: Convert to fraction form
    11,950.54/16,491.06 = 6,644.30/x
  3. Step 3: Cross multiply
    11,950.54x = 16,491.06 × 6,644.30
  4. Step 4: Simplify right side
    11,950.54x = 109,571,467.50
  5. Step 5: Solve for x
    x = 109,571,467.50/11,950.54
  6. Step 6: Final answer
    x = 9,168.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.