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Finding the Fourth Proportional to 17,951.74, 24,772.98 and 9,993.81

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Solution

The fourth proportional to 17,951.74, 24,772.98 and 9,993.81 is: 13,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,951.74 : 24,772.98 = 9,993.81 : x
  2. Step 2: Convert to fraction form
    17,951.74/24,772.98 = 9,993.81/x
  3. Step 3: Cross multiply
    17,951.74x = 24,772.98 × 9,993.81
  4. Step 4: Simplify right side
    17,951.74x = 247,576,455.25
  5. Step 5: Solve for x
    x = 247,576,455.25/17,951.74
  6. Step 6: Final answer
    x = 13,791.22

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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.