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Finding the Fourth Proportional to 60,469.85, 90,704.97 and 18,350.29

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Solution

The fourth proportional to 60,469.85, 90,704.97 and 18,350.29 is: 27,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,469.85 : 90,704.97 = 18,350.29 : x
  2. Step 2: Convert to fraction form
    60,469.85/90,704.97 = 18,350.29/x
  3. Step 3: Cross multiply
    60,469.85x = 90,704.97 × 18,350.29
  4. Step 4: Simplify right side
    60,469.85x = 1,664,462,503.94
  5. Step 5: Solve for x
    x = 1,664,462,503.94/60,469.85
  6. Step 6: Final answer
    x = 27,525.49

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Double scale
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Similar ratio
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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.