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Finding the Fourth Proportional to 11,064.28, 16,599.12 and 5,520.28

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Solution

The fourth proportional to 11,064.28, 16,599.12 and 5,520.28 is: 8,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,064.28 : 16,599.12 = 5,520.28 : x
  2. Step 2: Convert to fraction form
    11,064.28/16,599.12 = 5,520.28/x
  3. Step 3: Cross multiply
    11,064.28x = 16,599.12 × 5,520.28
  4. Step 4: Simplify right side
    11,064.28x = 91,631,790.15
  5. Step 5: Solve for x
    x = 91,631,790.15/11,064.28
  6. Step 6: Final answer
    x = 8,281.77

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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.