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Finding the Fourth Proportional to 5,611.56, 7,741.80 and 3,373.98

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Solution

The fourth proportional to 5,611.56, 7,741.80 and 3,373.98 is: 4,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.56 : 7,741.80 = 3,373.98 : x
  2. Step 2: Convert to fraction form
    5,611.56/7,741.80 = 3,373.98/x
  3. Step 3: Cross multiply
    5,611.56x = 7,741.80 × 3,373.98
  4. Step 4: Simplify right side
    5,611.56x = 26,120,678.36
  5. Step 5: Solve for x
    x = 26,120,678.36/5,611.56
  6. Step 6: Final answer
    x = 4,654.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.