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Finding the Fourth Proportional to 5,914.94, 8,163.18 and 4,420.22

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Solution

The fourth proportional to 5,914.94, 8,163.18 and 4,420.22 is: 6,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914.94 : 8,163.18 = 4,420.22 : x
  2. Step 2: Convert to fraction form
    5,914.94/8,163.18 = 4,420.22/x
  3. Step 3: Cross multiply
    5,914.94x = 8,163.18 × 4,420.22
  4. Step 4: Simplify right side
    5,914.94x = 36,083,010.68
  5. Step 5: Solve for x
    x = 36,083,010.68/5,914.94
  6. Step 6: Final answer
    x = 6,100.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.