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Finding the Fourth Proportional to 12,452, 18,680.96 and 4,244

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Solution

The fourth proportional to 12,452, 18,680.96 and 4,244 is: 6,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452 : 18,680.96 = 4,244 : x
  2. Step 2: Convert to fraction form
    12,452/18,680.96 = 4,244/x
  3. Step 3: Cross multiply
    12,452x = 18,680.96 × 4,244
  4. Step 4: Simplify right side
    12,452x = 79,281,994.24
  5. Step 5: Solve for x
    x = 79,281,994.24/12,452
  6. Step 6: Final answer
    x = 6,367.01

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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.