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Finding the Fourth Proportional to 3,949.47, 5,924.21 and 3,492.63

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Solution

The fourth proportional to 3,949.47, 5,924.21 and 3,492.63 is: 5,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.47 : 5,924.21 = 3,492.63 : x
  2. Step 2: Convert to fraction form
    3,949.47/5,924.21 = 3,492.63/x
  3. Step 3: Cross multiply
    3,949.47x = 5,924.21 × 3,492.63
  4. Step 4: Simplify right side
    3,949.47x = 20,691,056.11
  5. Step 5: Solve for x
    x = 20,691,056.11/3,949.47
  6. Step 6: Final answer
    x = 5,238.95

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Similar ratio
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1.5x scale

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.