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Finding the Fourth Proportional to 3,775.53, 5,661.46 and 1,583.67

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Solution

The fourth proportional to 3,775.53, 5,661.46 and 1,583.67 is: 2,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.53 : 5,661.46 = 1,583.67 : x
  2. Step 2: Convert to fraction form
    3,775.53/5,661.46 = 1,583.67/x
  3. Step 3: Cross multiply
    3,775.53x = 5,661.46 × 1,583.67
  4. Step 4: Simplify right side
    3,775.53x = 8,965,884.36
  5. Step 5: Solve for x
    x = 8,965,884.36/3,775.53
  6. Step 6: Final answer
    x = 2,374.74

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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.