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Finding the Fourth Proportional to 16,858, 25,287 and 4,546

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Solution

The fourth proportional to 16,858, 25,287 and 4,546 is: 6,819

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858 : 25,287 = 4,546 : x
  2. Step 2: Convert to fraction form
    16,858/25,287 = 4,546/x
  3. Step 3: Cross multiply
    16,858x = 25,287 × 4,546
  4. Step 4: Simplify right side
    16,858x = 114,954,702
  5. Step 5: Solve for x
    x = 114,954,702/16,858
  6. Step 6: Final answer
    x = 6,819

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.