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Finding the Fourth Proportional to 31,596.03, 43,611.21 and 19,652.22

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Solution

The fourth proportional to 31,596.03, 43,611.21 and 19,652.22 is: 27,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.03 : 43,611.21 = 19,652.22 : x
  2. Step 2: Convert to fraction form
    31,596.03/43,611.21 = 19,652.22/x
  3. Step 3: Cross multiply
    31,596.03x = 43,611.21 × 19,652.22
  4. Step 4: Simplify right side
    31,596.03x = 857,057,093.39
  5. Step 5: Solve for x
    x = 857,057,093.39/31,596.03
  6. Step 6: Final answer
    x = 27,125.47

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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.