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Finding the Fourth Proportional to 8,003.56, 11,984.32 and 5,650.88

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Solution

The fourth proportional to 8,003.56, 11,984.32 and 5,650.88 is: 8,461.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.56 : 11,984.32 = 5,650.88 : x
  2. Step 2: Convert to fraction form
    8,003.56/11,984.32 = 5,650.88/x
  3. Step 3: Cross multiply
    8,003.56x = 11,984.32 × 5,650.88
  4. Step 4: Simplify right side
    8,003.56x = 67,721,954.20
  5. Step 5: Solve for x
    x = 67,721,954.20/8,003.56
  6. Step 6: Final answer
    x = 8,461.48

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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.