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Finding the Fourth Proportional to 3,941.51, 5,912.19 and 1,019.84

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Solution

The fourth proportional to 3,941.51, 5,912.19 and 1,019.84 is: 1,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.51 : 5,912.19 = 1,019.84 : x
  2. Step 2: Convert to fraction form
    3,941.51/5,912.19 = 1,019.84/x
  3. Step 3: Cross multiply
    3,941.51x = 5,912.19 × 1,019.84
  4. Step 4: Simplify right side
    3,941.51x = 6,029,458.29
  5. Step 5: Solve for x
    x = 6,029,458.29/3,941.51
  6. Step 6: Final answer
    x = 1,529.74

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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.