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Finding the Fourth Proportional to 17,148.20, 23,664.06 and 9,696.20

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Solution

The fourth proportional to 17,148.20, 23,664.06 and 9,696.20 is: 13,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,148.20 : 23,664.06 = 9,696.20 : x
  2. Step 2: Convert to fraction form
    17,148.20/23,664.06 = 9,696.20/x
  3. Step 3: Cross multiply
    17,148.20x = 23,664.06 × 9,696.20
  4. Step 4: Simplify right side
    17,148.20x = 229,451,458.57
  5. Step 5: Solve for x
    x = 229,451,458.57/17,148.20
  6. Step 6: Final answer
    x = 13,380.50

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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.