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Finding the Fourth Proportional to 3,305.80, 4,958.70 and 3,014.20

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Solution

The fourth proportional to 3,305.80, 4,958.70 and 3,014.20 is: 4,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.80 : 4,958.70 = 3,014.20 : x
  2. Step 2: Convert to fraction form
    3,305.80/4,958.70 = 3,014.20/x
  3. Step 3: Cross multiply
    3,305.80x = 4,958.70 × 3,014.20
  4. Step 4: Simplify right side
    3,305.80x = 14,946,513.54
  5. Step 5: Solve for x
    x = 14,946,513.54/3,305.80
  6. Step 6: Final answer
    x = 4,521.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.