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Finding the Fourth Proportional to 60,790.86, 91,190.70 and 16,416.60

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Solution

The fourth proportional to 60,790.86, 91,190.70 and 16,416.60 is: 24,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,790.86 : 91,190.70 = 16,416.60 : x
  2. Step 2: Convert to fraction form
    60,790.86/91,190.70 = 16,416.60/x
  3. Step 3: Cross multiply
    60,790.86x = 91,190.70 × 16,416.60
  4. Step 4: Simplify right side
    60,790.86x = 1,497,041,245.62
  5. Step 5: Solve for x
    x = 1,497,041,245.62/60,790.86
  6. Step 6: Final answer
    x = 24,626.09

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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.