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Finding the Fourth Proportional to 11,124, 15,349.44 and 6,644.64

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Solution

The fourth proportional to 11,124, 15,349.44 and 6,644.64 is: 9,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124 : 15,349.44 = 6,644.64 : x
  2. Step 2: Convert to fraction form
    11,124/15,349.44 = 6,644.64/x
  3. Step 3: Cross multiply
    11,124x = 15,349.44 × 6,644.64
  4. Step 4: Simplify right side
    11,124x = 101,991,503.00
  5. Step 5: Solve for x
    x = 101,991,503.00/11,124
  6. Step 6: Final answer
    x = 9,168.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.