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Finding the Fourth Proportional to 7,866.44, 11,799.66 and 2,672.36

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Solution

The fourth proportional to 7,866.44, 11,799.66 and 2,672.36 is: 4,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.44 : 11,799.66 = 2,672.36 : x
  2. Step 2: Convert to fraction form
    7,866.44/11,799.66 = 2,672.36/x
  3. Step 3: Cross multiply
    7,866.44x = 11,799.66 × 2,672.36
  4. Step 4: Simplify right side
    7,866.44x = 31,532,939.40
  5. Step 5: Solve for x
    x = 31,532,939.40/7,866.44
  6. Step 6: Final answer
    x = 4,008.54

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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.