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Finding the Fourth Proportional to 17,116.60, 23,620.86 and 9,664.60

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Solution

The fourth proportional to 17,116.60, 23,620.86 and 9,664.60 is: 13,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,116.60 : 23,620.86 = 9,664.60 : x
  2. Step 2: Convert to fraction form
    17,116.60/23,620.86 = 9,664.60/x
  3. Step 3: Cross multiply
    17,116.60x = 23,620.86 × 9,664.60
  4. Step 4: Simplify right side
    17,116.60x = 228,286,163.56
  5. Step 5: Solve for x
    x = 228,286,163.56/17,116.60
  6. Step 6: Final answer
    x = 13,337.12

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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.