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Finding the Fourth Proportional to 11,008.94, 16,520.94 and 4,435.64

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Solution

The fourth proportional to 11,008.94, 16,520.94 and 4,435.64 is: 6,656.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.94 : 16,520.94 = 4,435.64 : x
  2. Step 2: Convert to fraction form
    11,008.94/16,520.94 = 4,435.64/x
  3. Step 3: Cross multiply
    11,008.94x = 16,520.94 × 4,435.64
  4. Step 4: Simplify right side
    11,008.94x = 73,280,942.30
  5. Step 5: Solve for x
    x = 73,280,942.30/11,008.94
  6. Step 6: Final answer
    x = 6,656.49

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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.