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Finding the Fourth Proportional to 3,670.44, 5,490.60 and 3,054.99

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Solution

The fourth proportional to 3,670.44, 5,490.60 and 3,054.99 is: 4,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.44 : 5,490.60 = 3,054.99 : x
  2. Step 2: Convert to fraction form
    3,670.44/5,490.60 = 3,054.99/x
  3. Step 3: Cross multiply
    3,670.44x = 5,490.60 × 3,054.99
  4. Step 4: Simplify right side
    3,670.44x = 16,773,728.09
  5. Step 5: Solve for x
    x = 16,773,728.09/3,670.44
  6. Step 6: Final answer
    x = 4,569.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.