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Finding the Fourth Proportional to 24,375.78, 33,640.13 and 14,300.55

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Solution

The fourth proportional to 24,375.78, 33,640.13 and 14,300.55 is: 19,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,375.78 : 33,640.13 = 14,300.55 : x
  2. Step 2: Convert to fraction form
    24,375.78/33,640.13 = 14,300.55/x
  3. Step 3: Cross multiply
    24,375.78x = 33,640.13 × 14,300.55
  4. Step 4: Simplify right side
    24,375.78x = 481,072,361.07
  5. Step 5: Solve for x
    x = 481,072,361.07/24,375.78
  6. Step 6: Final answer
    x = 19,735.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.