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Finding the Fourth Proportional to 30,137.99, 45,163.24 and 16,962.22

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Solution

The fourth proportional to 30,137.99, 45,163.24 and 16,962.22 is: 25,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,137.99 : 45,163.24 = 16,962.22 : x
  2. Step 2: Convert to fraction form
    30,137.99/45,163.24 = 16,962.22/x
  3. Step 3: Cross multiply
    30,137.99x = 45,163.24 × 16,962.22
  4. Step 4: Simplify right side
    30,137.99x = 766,068,826.84
  5. Step 5: Solve for x
    x = 766,068,826.84/30,137.99
  6. Step 6: Final answer
    x = 25,418.71

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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.