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Finding the Fourth Proportional to 3,068.89, 4,235.02 and 1,809.74

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Solution

The fourth proportional to 3,068.89, 4,235.02 and 1,809.74 is: 2,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,068.89 : 4,235.02 = 1,809.74 : x
  2. Step 2: Convert to fraction form
    3,068.89/4,235.02 = 1,809.74/x
  3. Step 3: Cross multiply
    3,068.89x = 4,235.02 × 1,809.74
  4. Step 4: Simplify right side
    3,068.89x = 7,664,291.16
  5. Step 5: Solve for x
    x = 7,664,291.16/3,068.89
  6. Step 6: Final answer
    x = 2,497.42

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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.