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Finding the Fourth Proportional to 9,512.80, 14,269.20 and 3,964.30

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Solution

The fourth proportional to 9,512.80, 14,269.20 and 3,964.30 is: 5,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.80 : 14,269.20 = 3,964.30 : x
  2. Step 2: Convert to fraction form
    9,512.80/14,269.20 = 3,964.30/x
  3. Step 3: Cross multiply
    9,512.80x = 14,269.20 × 3,964.30
  4. Step 4: Simplify right side
    9,512.80x = 56,567,389.56
  5. Step 5: Solve for x
    x = 56,567,389.56/9,512.80
  6. Step 6: Final answer
    x = 5,946.45

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Similar ratio
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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.