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Finding the Fourth Proportional to 9,950.67, 13,731.93 and 5,474.73

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Solution

The fourth proportional to 9,950.67, 13,731.93 and 5,474.73 is: 7,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.67 : 13,731.93 = 5,474.73 : x
  2. Step 2: Convert to fraction form
    9,950.67/13,731.93 = 5,474.73/x
  3. Step 3: Cross multiply
    9,950.67x = 13,731.93 × 5,474.73
  4. Step 4: Simplify right side
    9,950.67x = 75,178,609.13
  5. Step 5: Solve for x
    x = 75,178,609.13/9,950.67
  6. Step 6: Final answer
    x = 7,555.13

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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.