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Finding the Fourth Proportional to 2,664.54, 3,677.54 and 1,670.67

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Solution

The fourth proportional to 2,664.54, 3,677.54 and 1,670.67 is: 2,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.54 : 3,677.54 = 1,670.67 : x
  2. Step 2: Convert to fraction form
    2,664.54/3,677.54 = 1,670.67/x
  3. Step 3: Cross multiply
    2,664.54x = 3,677.54 × 1,670.67
  4. Step 4: Simplify right side
    2,664.54x = 6,143,947.40
  5. Step 5: Solve for x
    x = 6,143,947.40/2,664.54
  6. Step 6: Final answer
    x = 2,305.82

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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.