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Finding the Fourth Proportional to 3,148.41, 4,722.62 and 1,068.42

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Solution

The fourth proportional to 3,148.41, 4,722.62 and 1,068.42 is: 1,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.41 : 4,722.62 = 1,068.42 : x
  2. Step 2: Convert to fraction form
    3,148.41/4,722.62 = 1,068.42/x
  3. Step 3: Cross multiply
    3,148.41x = 4,722.62 × 1,068.42
  4. Step 4: Simplify right side
    3,148.41x = 5,045,736.32
  5. Step 5: Solve for x
    x = 5,045,736.32/3,148.41
  6. Step 6: Final answer
    x = 1,602.63

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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.