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Finding the Fourth Proportional to 11,932.84, 16,466.86 and 6,627.99

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Solution

The fourth proportional to 11,932.84, 16,466.86 and 6,627.99 is: 9,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.84 : 16,466.86 = 6,627.99 : x
  2. Step 2: Convert to fraction form
    11,932.84/16,466.86 = 6,627.99/x
  3. Step 3: Cross multiply
    11,932.84x = 16,466.86 × 6,627.99
  4. Step 4: Simplify right side
    11,932.84x = 109,142,183.41
  5. Step 5: Solve for x
    x = 109,142,183.41/11,932.84
  6. Step 6: Final answer
    x = 9,146.37

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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.