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Finding the Fourth Proportional to 6,208.30, 8,555.43 and 5,802.22

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Solution

The fourth proportional to 6,208.30, 8,555.43 and 5,802.22 is: 7,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.30 : 8,555.43 = 5,802.22 : x
  2. Step 2: Convert to fraction form
    6,208.30/8,555.43 = 5,802.22/x
  3. Step 3: Cross multiply
    6,208.30x = 8,555.43 × 5,802.22
  4. Step 4: Simplify right side
    6,208.30x = 49,640,487.05
  5. Step 5: Solve for x
    x = 49,640,487.05/6,208.30
  6. Step 6: Final answer
    x = 7,995.83

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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.