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Finding the Fourth Proportional to 9,950.41, 13,731.21 and 5,473.88

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Solution

The fourth proportional to 9,950.41, 13,731.21 and 5,473.88 is: 7,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.41 : 13,731.21 = 5,473.88 : x
  2. Step 2: Convert to fraction form
    9,950.41/13,731.21 = 5,473.88/x
  3. Step 3: Cross multiply
    9,950.41x = 13,731.21 × 5,473.88
  4. Step 4: Simplify right side
    9,950.41x = 75,162,995.79
  5. Step 5: Solve for x
    x = 75,162,995.79/9,950.41
  6. Step 6: Final answer
    x = 7,553.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.