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Finding the Fourth Proportional to 17,601.68, 26,412.24 and 7,211

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Solution

The fourth proportional to 17,601.68, 26,412.24 and 7,211 is: 10,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,601.68 : 26,412.24 = 7,211 : x
  2. Step 2: Convert to fraction form
    17,601.68/26,412.24 = 7,211/x
  3. Step 3: Cross multiply
    17,601.68x = 26,412.24 × 7,211
  4. Step 4: Simplify right side
    17,601.68x = 190,458,662.64
  5. Step 5: Solve for x
    x = 190,458,662.64/17,601.68
  6. Step 6: Final answer
    x = 10,820.48

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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.