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Finding the Fourth Proportional to 3,466.87, 4,789.34 and 3,000.31

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Solution

The fourth proportional to 3,466.87, 4,789.34 and 3,000.31 is: 4,144.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.87 : 4,789.34 = 3,000.31 : x
  2. Step 2: Convert to fraction form
    3,466.87/4,789.34 = 3,000.31/x
  3. Step 3: Cross multiply
    3,466.87x = 4,789.34 × 3,000.31
  4. Step 4: Simplify right side
    3,466.87x = 14,369,504.70
  5. Step 5: Solve for x
    x = 14,369,504.70/3,466.87
  6. Step 6: Final answer
    x = 4,144.81

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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.