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Finding the Fourth Proportional to 2,290.41, 3,159.87 and 1,494.67

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Solution

The fourth proportional to 2,290.41, 3,159.87 and 1,494.67 is: 2,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.41 : 3,159.87 = 1,494.67 : x
  2. Step 2: Convert to fraction form
    2,290.41/3,159.87 = 1,494.67/x
  3. Step 3: Cross multiply
    2,290.41x = 3,159.87 × 1,494.67
  4. Step 4: Simplify right side
    2,290.41x = 4,722,939.62
  5. Step 5: Solve for x
    x = 4,722,939.62/2,290.41
  6. Step 6: Final answer
    x = 2,062.05

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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.