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Finding the Fourth Proportional to 16,669.14, 25,016 and 7,904.08

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Solution

The fourth proportional to 16,669.14, 25,016 and 7,904.08 is: 11,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.14 : 25,016 = 7,904.08 : x
  2. Step 2: Convert to fraction form
    16,669.14/25,016 = 7,904.08/x
  3. Step 3: Cross multiply
    16,669.14x = 25,016 × 7,904.08
  4. Step 4: Simplify right side
    16,669.14x = 197,728,465.28
  5. Step 5: Solve for x
    x = 197,728,465.28/16,669.14
  6. Step 6: Final answer
    x = 11,861.95

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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.