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Finding the Fourth Proportional to 11,897.44, 17,847.18 and 3,576.88

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Solution

The fourth proportional to 11,897.44, 17,847.18 and 3,576.88 is: 5,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.44 : 17,847.18 = 3,576.88 : x
  2. Step 2: Convert to fraction form
    11,897.44/17,847.18 = 3,576.88/x
  3. Step 3: Cross multiply
    11,897.44x = 17,847.18 × 3,576.88
  4. Step 4: Simplify right side
    11,897.44x = 63,837,221.20
  5. Step 5: Solve for x
    x = 63,837,221.20/11,897.44
  6. Step 6: Final answer
    x = 5,365.63

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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.