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Finding the Fourth Proportional to 3,675.96, 5,072.94 and 2,103.96

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Solution

The fourth proportional to 3,675.96, 5,072.94 and 2,103.96 is: 2,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.96 : 5,072.94 = 2,103.96 : x
  2. Step 2: Convert to fraction form
    3,675.96/5,072.94 = 2,103.96/x
  3. Step 3: Cross multiply
    3,675.96x = 5,072.94 × 2,103.96
  4. Step 4: Simplify right side
    3,675.96x = 10,673,262.84
  5. Step 5: Solve for x
    x = 10,673,262.84/3,675.96
  6. Step 6: Final answer
    x = 2,903.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.