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Finding the Fourth Proportional to 3,375.95, 4,658.81 and 1,883.82

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Solution

The fourth proportional to 3,375.95, 4,658.81 and 1,883.82 is: 2,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.95 : 4,658.81 = 1,883.82 : x
  2. Step 2: Convert to fraction form
    3,375.95/4,658.81 = 1,883.82/x
  3. Step 3: Cross multiply
    3,375.95x = 4,658.81 × 1,883.82
  4. Step 4: Simplify right side
    3,375.95x = 8,776,359.45
  5. Step 5: Solve for x
    x = 8,776,359.45/3,375.95
  6. Step 6: Final answer
    x = 2,599.67

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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.