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Finding the Fourth Proportional to 4,672.39, 6,450.39 and 3,835.24

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Solution

The fourth proportional to 4,672.39, 6,450.39 and 3,835.24 is: 5,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.39 : 6,450.39 = 3,835.24 : x
  2. Step 2: Convert to fraction form
    4,672.39/6,450.39 = 3,835.24/x
  3. Step 3: Cross multiply
    4,672.39x = 6,450.39 × 3,835.24
  4. Step 4: Simplify right side
    4,672.39x = 24,738,793.74
  5. Step 5: Solve for x
    x = 24,738,793.74/4,672.39
  6. Step 6: Final answer
    x = 5,294.68

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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.