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Finding the Fourth Proportional to 2,449.08, 3,379.72 and 1,330.02

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Solution

The fourth proportional to 2,449.08, 3,379.72 and 1,330.02 is: 1,835.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.08 : 3,379.72 = 1,330.02 : x
  2. Step 2: Convert to fraction form
    2,449.08/3,379.72 = 1,330.02/x
  3. Step 3: Cross multiply
    2,449.08x = 3,379.72 × 1,330.02
  4. Step 4: Simplify right side
    2,449.08x = 4,495,095.19
  5. Step 5: Solve for x
    x = 4,495,095.19/2,449.08
  6. Step 6: Final answer
    x = 1,835.42

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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.