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Finding the Fourth Proportional to 4,543.08, 6,809.22 and 1,940.52

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Solution

The fourth proportional to 4,543.08, 6,809.22 and 1,940.52 is: 2,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.08 : 6,809.22 = 1,940.52 : x
  2. Step 2: Convert to fraction form
    4,543.08/6,809.22 = 1,940.52/x
  3. Step 3: Cross multiply
    4,543.08x = 6,809.22 × 1,940.52
  4. Step 4: Simplify right side
    4,543.08x = 13,213,427.59
  5. Step 5: Solve for x
    x = 13,213,427.59/4,543.08
  6. Step 6: Final answer
    x = 2,908.47

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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.