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Finding the Fourth Proportional to 30,167.56, 41,635.56 and 17,418.22

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Solution

The fourth proportional to 30,167.56, 41,635.56 and 17,418.22 is: 24,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.56 : 41,635.56 = 17,418.22 : x
  2. Step 2: Convert to fraction form
    30,167.56/41,635.56 = 17,418.22/x
  3. Step 3: Cross multiply
    30,167.56x = 41,635.56 × 17,418.22
  4. Step 4: Simplify right side
    30,167.56x = 725,217,343.90
  5. Step 5: Solve for x
    x = 725,217,343.90/30,167.56
  6. Step 6: Final answer
    x = 24,039.64

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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.