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Finding the Fourth Proportional to 30,672.42, 45,974.07 and 15,100.98

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Solution

The fourth proportional to 30,672.42, 45,974.07 and 15,100.98 is: 22,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.42 : 45,974.07 = 15,100.98 : x
  2. Step 2: Convert to fraction form
    30,672.42/45,974.07 = 15,100.98/x
  3. Step 3: Cross multiply
    30,672.42x = 45,974.07 × 15,100.98
  4. Step 4: Simplify right side
    30,672.42x = 694,253,511.59
  5. Step 5: Solve for x
    x = 694,253,511.59/30,672.42
  6. Step 6: Final answer
    x = 22,634.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.