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Finding the Fourth Proportional to 67,033.78, 100,550.58 and 17,113.88

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Solution

The fourth proportional to 67,033.78, 100,550.58 and 17,113.88 is: 25,670.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,033.78 : 100,550.58 = 17,113.88 : x
  2. Step 2: Convert to fraction form
    67,033.78/100,550.58 = 17,113.88/x
  3. Step 3: Cross multiply
    67,033.78x = 100,550.58 × 17,113.88
  4. Step 4: Simplify right side
    67,033.78x = 1,720,810,560.05
  5. Step 5: Solve for x
    x = 1,720,810,560.05/67,033.78
  6. Step 6: Final answer
    x = 25,670.80

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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.