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Finding the Fourth Proportional to 17,193.46, 23,728.12 and 9,640.28

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Solution

The fourth proportional to 17,193.46, 23,728.12 and 9,640.28 is: 13,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,193.46 : 23,728.12 = 9,640.28 : x
  2. Step 2: Convert to fraction form
    17,193.46/23,728.12 = 9,640.28/x
  3. Step 3: Cross multiply
    17,193.46x = 23,728.12 × 9,640.28
  4. Step 4: Simplify right side
    17,193.46x = 228,745,622.42
  5. Step 5: Solve for x
    x = 228,745,622.42/17,193.46
  6. Step 6: Final answer
    x = 13,304.22

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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.