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Finding the Fourth Proportional to 3,376.86, 5,060.97 and 2,914.62

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Solution

The fourth proportional to 3,376.86, 5,060.97 and 2,914.62 is: 4,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.86 : 5,060.97 = 2,914.62 : x
  2. Step 2: Convert to fraction form
    3,376.86/5,060.97 = 2,914.62/x
  3. Step 3: Cross multiply
    3,376.86x = 5,060.97 × 2,914.62
  4. Step 4: Simplify right side
    3,376.86x = 14,750,804.38
  5. Step 5: Solve for x
    x = 14,750,804.38/3,376.86
  6. Step 6: Final answer
    x = 4,368.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.