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Finding the Fourth Proportional to 16,933, 25,399.52 and 4,621

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Solution

The fourth proportional to 16,933, 25,399.52 and 4,621 is: 6,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933 : 25,399.52 = 4,621 : x
  2. Step 2: Convert to fraction form
    16,933/25,399.52 = 4,621/x
  3. Step 3: Cross multiply
    16,933x = 25,399.52 × 4,621
  4. Step 4: Simplify right side
    16,933x = 117,371,181.92
  5. Step 5: Solve for x
    x = 117,371,181.92/16,933
  6. Step 6: Final answer
    x = 6,931.51

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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.