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Finding the Fourth Proportional to 3,379.92, 4,630.41 and 3,253.57

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Solution

The fourth proportional to 3,379.92, 4,630.41 and 3,253.57 is: 4,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.92 : 4,630.41 = 3,253.57 : x
  2. Step 2: Convert to fraction form
    3,379.92/4,630.41 = 3,253.57/x
  3. Step 3: Cross multiply
    3,379.92x = 4,630.41 × 3,253.57
  4. Step 4: Simplify right side
    3,379.92x = 15,065,374.64
  5. Step 5: Solve for x
    x = 15,065,374.64/3,379.92
  6. Step 6: Final answer
    x = 4,457.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.