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Finding the Fourth Proportional to 6,195.89, 8,557.43 and 4,080.89

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Solution

The fourth proportional to 6,195.89, 8,557.43 and 4,080.89 is: 5,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,195.89 : 8,557.43 = 4,080.89 : x
  2. Step 2: Convert to fraction form
    6,195.89/8,557.43 = 4,080.89/x
  3. Step 3: Cross multiply
    6,195.89x = 8,557.43 × 4,080.89
  4. Step 4: Simplify right side
    6,195.89x = 34,921,867.32
  5. Step 5: Solve for x
    x = 34,921,867.32/6,195.89
  6. Step 6: Final answer
    x = 5,636.30

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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.