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Finding the Fourth Proportional to 22,361.10, 33,557.03 and 9,213.45

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Solution

The fourth proportional to 22,361.10, 33,557.03 and 9,213.45 is: 13,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.10 : 33,557.03 = 9,213.45 : x
  2. Step 2: Convert to fraction form
    22,361.10/33,557.03 = 9,213.45/x
  3. Step 3: Cross multiply
    22,361.10x = 33,557.03 × 9,213.45
  4. Step 4: Simplify right side
    22,361.10x = 309,176,018.05
  5. Step 5: Solve for x
    x = 309,176,018.05/22,361.10
  6. Step 6: Final answer
    x = 13,826.51

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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.