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Finding the Fourth Proportional to 30,163.94, 41,630.04 and 19,824.42

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Solution

The fourth proportional to 30,163.94, 41,630.04 and 19,824.42 is: 27,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,163.94 : 41,630.04 = 19,824.42 : x
  2. Step 2: Convert to fraction form
    30,163.94/41,630.04 = 19,824.42/x
  3. Step 3: Cross multiply
    30,163.94x = 41,630.04 × 19,824.42
  4. Step 4: Simplify right side
    30,163.94x = 825,291,397.58
  5. Step 5: Solve for x
    x = 825,291,397.58/30,163.94
  6. Step 6: Final answer
    x = 27,360.20

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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.