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Finding the Fourth Proportional to 2,674.08, 4,011.84 and 1,374.84

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Solution

The fourth proportional to 2,674.08, 4,011.84 and 1,374.84 is: 2,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.08 : 4,011.84 = 1,374.84 : x
  2. Step 2: Convert to fraction form
    2,674.08/4,011.84 = 1,374.84/x
  3. Step 3: Cross multiply
    2,674.08x = 4,011.84 × 1,374.84
  4. Step 4: Simplify right side
    2,674.08x = 5,515,638.11
  5. Step 5: Solve for x
    x = 5,515,638.11/2,674.08
  6. Step 6: Final answer
    x = 2,062.63

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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.