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Finding the Fourth Proportional to 22,361.76, 33,557.22 and 8,510.76

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Solution

The fourth proportional to 22,361.76, 33,557.22 and 8,510.76 is: 12,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.76 : 33,557.22 = 8,510.76 : x
  2. Step 2: Convert to fraction form
    22,361.76/33,557.22 = 8,510.76/x
  3. Step 3: Cross multiply
    22,361.76x = 33,557.22 × 8,510.76
  4. Step 4: Simplify right side
    22,361.76x = 285,597,445.69
  5. Step 5: Solve for x
    x = 285,597,445.69/22,361.76
  6. Step 6: Final answer
    x = 12,771.69

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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.