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Finding the Fourth Proportional to 5,583.67, 7,705.02 and 3,065.78

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Solution

The fourth proportional to 5,583.67, 7,705.02 and 3,065.78 is: 4,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.67 : 7,705.02 = 3,065.78 : x
  2. Step 2: Convert to fraction form
    5,583.67/7,705.02 = 3,065.78/x
  3. Step 3: Cross multiply
    5,583.67x = 7,705.02 × 3,065.78
  4. Step 4: Simplify right side
    5,583.67x = 23,621,857.69
  5. Step 5: Solve for x
    x = 23,621,857.69/5,583.67
  6. Step 6: Final answer
    x = 4,230.53

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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.