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Finding the Fourth Proportional to 2,714.56, 4,068.16 and 1,413.36

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Solution

The fourth proportional to 2,714.56, 4,068.16 and 1,413.36 is: 2,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.56 : 4,068.16 = 1,413.36 : x
  2. Step 2: Convert to fraction form
    2,714.56/4,068.16 = 1,413.36/x
  3. Step 3: Cross multiply
    2,714.56x = 4,068.16 × 1,413.36
  4. Step 4: Simplify right side
    2,714.56x = 5,749,774.62
  5. Step 5: Solve for x
    x = 5,749,774.62/2,714.56
  6. Step 6: Final answer
    x = 2,118.12

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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.