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Finding the Fourth Proportional to 7,469.91, 11,201.09 and 4,182.12

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Solution

The fourth proportional to 7,469.91, 11,201.09 and 4,182.12 is: 6,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.91 : 11,201.09 = 4,182.12 : x
  2. Step 2: Convert to fraction form
    7,469.91/11,201.09 = 4,182.12/x
  3. Step 3: Cross multiply
    7,469.91x = 11,201.09 × 4,182.12
  4. Step 4: Simplify right side
    7,469.91x = 46,844,281.60
  5. Step 5: Solve for x
    x = 46,844,281.60/7,469.91
  6. Step 6: Final answer
    x = 6,271.06

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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.