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Finding the Fourth Proportional to 36,608.74, 54,880.71 and 17,878.30

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Solution

The fourth proportional to 36,608.74, 54,880.71 and 17,878.30 is: 26,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,608.74 : 54,880.71 = 17,878.30 : x
  2. Step 2: Convert to fraction form
    36,608.74/54,880.71 = 17,878.30/x
  3. Step 3: Cross multiply
    36,608.74x = 54,880.71 × 17,878.30
  4. Step 4: Simplify right side
    36,608.74x = 981,173,797.59
  5. Step 5: Solve for x
    x = 981,173,797.59/36,608.74
  6. Step 6: Final answer
    x = 26,801.63

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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.