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Finding the Fourth Proportional to 36,682.74, 50,622.21 and 19,915.74

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Solution

The fourth proportional to 36,682.74, 50,622.21 and 19,915.74 is: 27,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,682.74 : 50,622.21 = 19,915.74 : x
  2. Step 2: Convert to fraction form
    36,682.74/50,622.21 = 19,915.74/x
  3. Step 3: Cross multiply
    36,682.74x = 50,622.21 × 19,915.74
  4. Step 4: Simplify right side
    36,682.74x = 1,008,178,772.59
  5. Step 5: Solve for x
    x = 1,008,178,772.59/36,682.74
  6. Step 6: Final answer
    x = 27,483.74

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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.