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Finding the Fourth Proportional to 30,372.71, 41,913.11 and 17,625.22

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Solution

The fourth proportional to 30,372.71, 41,913.11 and 17,625.22 is: 24,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372.71 : 41,913.11 = 17,625.22 : x
  2. Step 2: Convert to fraction form
    30,372.71/41,913.11 = 17,625.22/x
  3. Step 3: Cross multiply
    30,372.71x = 41,913.11 × 17,625.22
  4. Step 4: Simplify right side
    30,372.71x = 738,727,723.91
  5. Step 5: Solve for x
    x = 738,727,723.91/30,372.71
  6. Step 6: Final answer
    x = 24,322.09

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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.