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Finding the Fourth Proportional to 16,904.62, 25,356.93 and 6,371.79

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Solution

The fourth proportional to 16,904.62, 25,356.93 and 6,371.79 is: 9,557.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.62 : 25,356.93 = 6,371.79 : x
  2. Step 2: Convert to fraction form
    16,904.62/25,356.93 = 6,371.79/x
  3. Step 3: Cross multiply
    16,904.62x = 25,356.93 × 6,371.79
  4. Step 4: Simplify right side
    16,904.62x = 161,569,033.00
  5. Step 5: Solve for x
    x = 161,569,033.00/16,904.62
  6. Step 6: Final answer
    x = 9,557.69

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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.