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Finding the Fourth Proportional to 3,800.84, 5,695.94 and 1,948.04

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Solution

The fourth proportional to 3,800.84, 5,695.94 and 1,948.04 is: 2,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.84 : 5,695.94 = 1,948.04 : x
  2. Step 2: Convert to fraction form
    3,800.84/5,695.94 = 1,948.04/x
  3. Step 3: Cross multiply
    3,800.84x = 5,695.94 × 1,948.04
  4. Step 4: Simplify right side
    3,800.84x = 11,095,918.96
  5. Step 5: Solve for x
    x = 11,095,918.96/3,800.84
  6. Step 6: Final answer
    x = 2,919.33

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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.