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Finding the Fourth Proportional to 11,295.70, 16,946.24 and 3,900.22

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Solution

The fourth proportional to 11,295.70, 16,946.24 and 3,900.22 is: 5,851.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.70 : 16,946.24 = 3,900.22 : x
  2. Step 2: Convert to fraction form
    11,295.70/16,946.24 = 3,900.22/x
  3. Step 3: Cross multiply
    11,295.70x = 16,946.24 × 3,900.22
  4. Step 4: Simplify right side
    11,295.70x = 66,094,065.85
  5. Step 5: Solve for x
    x = 66,094,065.85/11,295.70
  6. Step 6: Final answer
    x = 5,851.26

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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.