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Finding the Fourth Proportional to 3,866.06, 5,800.21 and 2,223.79

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Solution

The fourth proportional to 3,866.06, 5,800.21 and 2,223.79 is: 3,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,866.06 : 5,800.21 = 2,223.79 : x
  2. Step 2: Convert to fraction form
    3,866.06/5,800.21 = 2,223.79/x
  3. Step 3: Cross multiply
    3,866.06x = 5,800.21 × 2,223.79
  4. Step 4: Simplify right side
    3,866.06x = 12,898,428.94
  5. Step 5: Solve for x
    x = 12,898,428.94/3,866.06
  6. Step 6: Final answer
    x = 3,336.32

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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.