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Finding the Fourth Proportional to 5,608.65, 8,412.67 and 1,712.75

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Solution

The fourth proportional to 5,608.65, 8,412.67 and 1,712.75 is: 2,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.65 : 8,412.67 = 1,712.75 : x
  2. Step 2: Convert to fraction form
    5,608.65/8,412.67 = 1,712.75/x
  3. Step 3: Cross multiply
    5,608.65x = 8,412.67 × 1,712.75
  4. Step 4: Simplify right side
    5,608.65x = 14,408,800.54
  5. Step 5: Solve for x
    x = 14,408,800.54/5,608.65
  6. Step 6: Final answer
    x = 2,569.03

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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.