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Finding the Fourth Proportional to 22,361.64, 33,566.72 and 13,011.80

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Solution

The fourth proportional to 22,361.64, 33,566.72 and 13,011.80 is: 19,531.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.64 : 33,566.72 = 13,011.80 : x
  2. Step 2: Convert to fraction form
    22,361.64/33,566.72 = 13,011.80/x
  3. Step 3: Cross multiply
    22,361.64x = 33,566.72 × 13,011.80
  4. Step 4: Simplify right side
    22,361.64x = 436,763,447.30
  5. Step 5: Solve for x
    x = 436,763,447.30/22,361.64
  6. Step 6: Final answer
    x = 19,531.82

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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.