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Finding the Fourth Proportional to 30,266.71, 41,768.62 and 16,839.22

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Solution

The fourth proportional to 30,266.71, 41,768.62 and 16,839.22 is: 23,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.71 : 41,768.62 = 16,839.22 : x
  2. Step 2: Convert to fraction form
    30,266.71/41,768.62 = 16,839.22/x
  3. Step 3: Cross multiply
    30,266.71x = 41,768.62 × 16,839.22
  4. Step 4: Simplify right side
    30,266.71x = 703,350,914.00
  5. Step 5: Solve for x
    x = 703,350,914.00/30,266.71
  6. Step 6: Final answer
    x = 23,238.43

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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.