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Finding the Fourth Proportional to 11,049.05, 16,533.08 and 8,133.05

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Solution

The fourth proportional to 11,049.05, 16,533.08 and 8,133.05 is: 12,169.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.05 : 16,533.08 = 8,133.05 : x
  2. Step 2: Convert to fraction form
    11,049.05/16,533.08 = 8,133.05/x
  3. Step 3: Cross multiply
    11,049.05x = 16,533.08 × 8,133.05
  4. Step 4: Simplify right side
    11,049.05x = 134,464,325.63
  5. Step 5: Solve for x
    x = 134,464,325.63/11,049.05
  6. Step 6: Final answer
    x = 12,169.76

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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.