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Finding the Fourth Proportional to 2,468.89, 3,700.23 and 1,081.36

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Solution

The fourth proportional to 2,468.89, 3,700.23 and 1,081.36 is: 1,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,468.89 : 3,700.23 = 1,081.36 : x
  2. Step 2: Convert to fraction form
    2,468.89/3,700.23 = 1,081.36/x
  3. Step 3: Cross multiply
    2,468.89x = 3,700.23 × 1,081.36
  4. Step 4: Simplify right side
    2,468.89x = 4,001,280.71
  5. Step 5: Solve for x
    x = 4,001,280.71/2,468.89
  6. Step 6: Final answer
    x = 1,620.68

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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.