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Finding the Fourth Proportional to 27,245.99, 40,846.93 and 8,516.39

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Solution

The fourth proportional to 27,245.99, 40,846.93 and 8,516.39 is: 12,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,245.99 : 40,846.93 = 8,516.39 : x
  2. Step 2: Convert to fraction form
    27,245.99/40,846.93 = 8,516.39/x
  3. Step 3: Cross multiply
    27,245.99x = 40,846.93 × 8,516.39
  4. Step 4: Simplify right side
    27,245.99x = 347,868,192.59
  5. Step 5: Solve for x
    x = 347,868,192.59/27,245.99
  6. Step 6: Final answer
    x = 12,767.68

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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.