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Finding the Fourth Proportional to 16,873.21, 25,311.03 and 6,484.96

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Solution

The fourth proportional to 16,873.21, 25,311.03 and 6,484.96 is: 9,727.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.21 : 25,311.03 = 6,484.96 : x
  2. Step 2: Convert to fraction form
    16,873.21/25,311.03 = 6,484.96/x
  3. Step 3: Cross multiply
    16,873.21x = 25,311.03 × 6,484.96
  4. Step 4: Simplify right side
    16,873.21x = 164,141,017.11
  5. Step 5: Solve for x
    x = 164,141,017.11/16,873.21
  6. Step 6: Final answer
    x = 9,727.91

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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.