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Finding the Fourth Proportional to 45,361.40, 68,052.90 and 19,052.60

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Solution

The fourth proportional to 45,361.40, 68,052.90 and 19,052.60 is: 28,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,361.40 : 68,052.90 = 19,052.60 : x
  2. Step 2: Convert to fraction form
    45,361.40/68,052.90 = 19,052.60/x
  3. Step 3: Cross multiply
    45,361.40x = 68,052.90 × 19,052.60
  4. Step 4: Simplify right side
    45,361.40x = 1,296,584,682.54
  5. Step 5: Solve for x
    x = 1,296,584,682.54/45,361.40
  6. Step 6: Final answer
    x = 28,583.44

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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.