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Finding the Fourth Proportional to 2,433, 3,358.14 and 1,385.67

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Solution

The fourth proportional to 2,433, 3,358.14 and 1,385.67 is: 1,912.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433 : 3,358.14 = 1,385.67 : x
  2. Step 2: Convert to fraction form
    2,433/3,358.14 = 1,385.67/x
  3. Step 3: Cross multiply
    2,433x = 3,358.14 × 1,385.67
  4. Step 4: Simplify right side
    2,433x = 4,653,273.85
  5. Step 5: Solve for x
    x = 4,653,273.85/2,433
  6. Step 6: Final answer
    x = 1,912.57

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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.