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Finding the Fourth Proportional to 17,197.82, 23,731.62 and 9,643.13

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Solution

The fourth proportional to 17,197.82, 23,731.62 and 9,643.13 is: 13,306.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,197.82 : 23,731.62 = 9,643.13 : x
  2. Step 2: Convert to fraction form
    17,197.82/23,731.62 = 9,643.13/x
  3. Step 3: Cross multiply
    17,197.82x = 23,731.62 × 9,643.13
  4. Step 4: Simplify right side
    17,197.82x = 228,847,096.77
  5. Step 5: Solve for x
    x = 228,847,096.77/17,197.82
  6. Step 6: Final answer
    x = 13,306.75

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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.