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Finding the Fourth Proportional to 3,199.88, 4,792.14 and 1,829

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Solution

The fourth proportional to 3,199.88, 4,792.14 and 1,829 is: 2,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,199.88 : 4,792.14 = 1,829 : x
  2. Step 2: Convert to fraction form
    3,199.88/4,792.14 = 1,829/x
  3. Step 3: Cross multiply
    3,199.88x = 4,792.14 × 1,829
  4. Step 4: Simplify right side
    3,199.88x = 8,764,824.06
  5. Step 5: Solve for x
    x = 8,764,824.06/3,199.88
  6. Step 6: Final answer
    x = 2,739.11

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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.