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Finding the Fourth Proportional to 3,038.67, 4,550.67 and 2,111.67

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Solution

The fourth proportional to 3,038.67, 4,550.67 and 2,111.67 is: 3,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.67 : 4,550.67 = 2,111.67 : x
  2. Step 2: Convert to fraction form
    3,038.67/4,550.67 = 2,111.67/x
  3. Step 3: Cross multiply
    3,038.67x = 4,550.67 × 2,111.67
  4. Step 4: Simplify right side
    3,038.67x = 9,609,513.32
  5. Step 5: Solve for x
    x = 9,609,513.32/3,038.67
  6. Step 6: Final answer
    x = 3,162.41

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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.