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Finding the Fourth Proportional to 3,374.61, 5,061.93 and 1,641.75

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Solution

The fourth proportional to 3,374.61, 5,061.93 and 1,641.75 is: 2,462.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.61 : 5,061.93 = 1,641.75 : x
  2. Step 2: Convert to fraction form
    3,374.61/5,061.93 = 1,641.75/x
  3. Step 3: Cross multiply
    3,374.61x = 5,061.93 × 1,641.75
  4. Step 4: Simplify right side
    3,374.61x = 8,310,423.58
  5. Step 5: Solve for x
    x = 8,310,423.58/3,374.61
  6. Step 6: Final answer
    x = 2,462.63

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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.