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Finding the Fourth Proportional to 22,475.61, 33,676.22 and 20,157.68

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Solution

The fourth proportional to 22,475.61, 33,676.22 and 20,157.68 is: 30,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.61 : 33,676.22 = 20,157.68 : x
  2. Step 2: Convert to fraction form
    22,475.61/33,676.22 = 20,157.68/x
  3. Step 3: Cross multiply
    22,475.61x = 33,676.22 × 20,157.68
  4. Step 4: Simplify right side
    22,475.61x = 678,834,600.95
  5. Step 5: Solve for x
    x = 678,834,600.95/22,475.61
  6. Step 6: Final answer
    x = 30,203.17

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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.