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Finding the Fourth Proportional to 2,832.18, 3,908.07 and 1,590.18

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Solution

The fourth proportional to 2,832.18, 3,908.07 and 1,590.18 is: 2,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.18 : 3,908.07 = 1,590.18 : x
  2. Step 2: Convert to fraction form
    2,832.18/3,908.07 = 1,590.18/x
  3. Step 3: Cross multiply
    2,832.18x = 3,908.07 × 1,590.18
  4. Step 4: Simplify right side
    2,832.18x = 6,214,534.75
  5. Step 5: Solve for x
    x = 6,214,534.75/2,832.18
  6. Step 6: Final answer
    x = 2,194.26

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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.