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Finding the Fourth Proportional to 17,212.60, 23,753.74 and 9,659.48

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Solution

The fourth proportional to 17,212.60, 23,753.74 and 9,659.48 is: 13,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212.60 : 23,753.74 = 9,659.48 : x
  2. Step 2: Convert to fraction form
    17,212.60/23,753.74 = 9,659.48/x
  3. Step 3: Cross multiply
    17,212.60x = 23,753.74 × 9,659.48
  4. Step 4: Simplify right side
    17,212.60x = 229,448,657.69
  5. Step 5: Solve for x
    x = 229,448,657.69/17,212.60
  6. Step 6: Final answer
    x = 13,330.28

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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.