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Finding the Fourth Proportional to 35,892, 53,840.16 and 11,268

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Solution

The fourth proportional to 35,892, 53,840.16 and 11,268 is: 16,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,892 : 53,840.16 = 11,268 : x
  2. Step 2: Convert to fraction form
    35,892/53,840.16 = 11,268/x
  3. Step 3: Cross multiply
    35,892x = 53,840.16 × 11,268
  4. Step 4: Simplify right side
    35,892x = 606,670,922.88
  5. Step 5: Solve for x
    x = 606,670,922.88/35,892
  6. Step 6: Final answer
    x = 16,902.68

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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.