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Finding the Fourth Proportional to 8,096.70, 12,145.05 and 5,472.30

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Solution

The fourth proportional to 8,096.70, 12,145.05 and 5,472.30 is: 8,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,096.70 : 12,145.05 = 5,472.30 : x
  2. Step 2: Convert to fraction form
    8,096.70/12,145.05 = 5,472.30/x
  3. Step 3: Cross multiply
    8,096.70x = 12,145.05 × 5,472.30
  4. Step 4: Simplify right side
    8,096.70x = 66,461,357.12
  5. Step 5: Solve for x
    x = 66,461,357.12/8,096.70
  6. Step 6: Final answer
    x = 8,208.45

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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.