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Finding the Fourth Proportional to 4,773.92, 6,588.06 and 2,678

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Solution

The fourth proportional to 4,773.92, 6,588.06 and 2,678 is: 3,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,773.92 : 6,588.06 = 2,678 : x
  2. Step 2: Convert to fraction form
    4,773.92/6,588.06 = 2,678/x
  3. Step 3: Cross multiply
    4,773.92x = 6,588.06 × 2,678
  4. Step 4: Simplify right side
    4,773.92x = 17,642,824.68
  5. Step 5: Solve for x
    x = 17,642,824.68/4,773.92
  6. Step 6: Final answer
    x = 3,695.67

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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.