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Finding the Fourth Proportional to 30,197.43, 41,672.75 and 17,619.75

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Solution

The fourth proportional to 30,197.43, 41,672.75 and 17,619.75 is: 24,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.43 : 41,672.75 = 17,619.75 : x
  2. Step 2: Convert to fraction form
    30,197.43/41,672.75 = 17,619.75/x
  3. Step 3: Cross multiply
    30,197.43x = 41,672.75 × 17,619.75
  4. Step 4: Simplify right side
    30,197.43x = 734,263,348.71
  5. Step 5: Solve for x
    x = 734,263,348.71/30,197.43
  6. Step 6: Final answer
    x = 24,315.43

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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.