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Finding the Fourth Proportional to 3,370.42, 5,053.74 and 1,394.93

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Solution

The fourth proportional to 3,370.42, 5,053.74 and 1,394.93 is: 2,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.42 : 5,053.74 = 1,394.93 : x
  2. Step 2: Convert to fraction form
    3,370.42/5,053.74 = 1,394.93/x
  3. Step 3: Cross multiply
    3,370.42x = 5,053.74 × 1,394.93
  4. Step 4: Simplify right side
    3,370.42x = 7,049,620.94
  5. Step 5: Solve for x
    x = 7,049,620.94/3,370.42
  6. Step 6: Final answer
    x = 2,091.61

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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.