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Finding the Fourth Proportional to 11,696.36, 17,548.68 and 7,308.68

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Solution

The fourth proportional to 11,696.36, 17,548.68 and 7,308.68 is: 10,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.36 : 17,548.68 = 7,308.68 : x
  2. Step 2: Convert to fraction form
    11,696.36/17,548.68 = 7,308.68/x
  3. Step 3: Cross multiply
    11,696.36x = 17,548.68 × 7,308.68
  4. Step 4: Simplify right side
    11,696.36x = 128,257,686.54
  5. Step 5: Solve for x
    x = 128,257,686.54/11,696.36
  6. Step 6: Final answer
    x = 10,965.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.