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Finding the Fourth Proportional to 40,380.39, 60,584.07 and 17,888.01

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Solution

The fourth proportional to 40,380.39, 60,584.07 and 17,888.01 is: 26,837.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.39 : 60,584.07 = 17,888.01 : x
  2. Step 2: Convert to fraction form
    40,380.39/60,584.07 = 17,888.01/x
  3. Step 3: Cross multiply
    40,380.39x = 60,584.07 × 17,888.01
  4. Step 4: Simplify right side
    40,380.39x = 1,083,728,360.56
  5. Step 5: Solve for x
    x = 1,083,728,360.56/40,380.39
  6. Step 6: Final answer
    x = 26,837.99

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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.