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Finding the Fourth Proportional to 6,199.20, 8,548.74 and 5,491.26

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Solution

The fourth proportional to 6,199.20, 8,548.74 and 5,491.26 is: 7,572.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,199.20 : 8,548.74 = 5,491.26 : x
  2. Step 2: Convert to fraction form
    6,199.20/8,548.74 = 5,491.26/x
  3. Step 3: Cross multiply
    6,199.20x = 8,548.74 × 5,491.26
  4. Step 4: Simplify right side
    6,199.20x = 46,943,354.01
  5. Step 5: Solve for x
    x = 46,943,354.01/6,199.20
  6. Step 6: Final answer
    x = 7,572.49

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