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Finding the Fourth Proportional to 10,728.36, 16,092 and 2,937.24

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Solution

The fourth proportional to 10,728.36, 16,092 and 2,937.24 is: 4,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,728.36 : 16,092 = 2,937.24 : x
  2. Step 2: Convert to fraction form
    10,728.36/16,092 = 2,937.24/x
  3. Step 3: Cross multiply
    10,728.36x = 16,092 × 2,937.24
  4. Step 4: Simplify right side
    10,728.36x = 47,266,066.08
  5. Step 5: Solve for x
    x = 47,266,066.08/10,728.36
  6. Step 6: Final answer
    x = 4,405.71

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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.