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Finding the Fourth Proportional to 3,369.96, 5,027.31 and 3,056.49

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Solution

The fourth proportional to 3,369.96, 5,027.31 and 3,056.49 is: 4,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.96 : 5,027.31 = 3,056.49 : x
  2. Step 2: Convert to fraction form
    3,369.96/5,027.31 = 3,056.49/x
  3. Step 3: Cross multiply
    3,369.96x = 5,027.31 × 3,056.49
  4. Step 4: Simplify right side
    3,369.96x = 15,365,922.74
  5. Step 5: Solve for x
    x = 15,365,922.74/3,369.96
  6. Step 6: Final answer
    x = 4,559.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.