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Finding the Fourth Proportional to 2,306.96, 3,458.04 and 1,728.08

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Solution

The fourth proportional to 2,306.96, 3,458.04 and 1,728.08 is: 2,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.96 : 3,458.04 = 1,728.08 : x
  2. Step 2: Convert to fraction form
    2,306.96/3,458.04 = 1,728.08/x
  3. Step 3: Cross multiply
    2,306.96x = 3,458.04 × 1,728.08
  4. Step 4: Simplify right side
    2,306.96x = 5,975,769.76
  5. Step 5: Solve for x
    x = 5,975,769.76/2,306.96
  6. Step 6: Final answer
    x = 2,590.32

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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.