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Finding the Fourth Proportional to 10,892.44, 16,340.10 and 3,494.44

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Solution

The fourth proportional to 10,892.44, 16,340.10 and 3,494.44 is: 5,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.44 : 16,340.10 = 3,494.44 : x
  2. Step 2: Convert to fraction form
    10,892.44/16,340.10 = 3,494.44/x
  3. Step 3: Cross multiply
    10,892.44x = 16,340.10 × 3,494.44
  4. Step 4: Simplify right side
    10,892.44x = 57,099,499.04
  5. Step 5: Solve for x
    x = 57,099,499.04/10,892.44
  6. Step 6: Final answer
    x = 5,242.12

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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.