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Finding the Fourth Proportional to 4,441.76, 6,648 and 3,955.76

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Solution

The fourth proportional to 4,441.76, 6,648 and 3,955.76 is: 5,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,441.76 : 6,648 = 3,955.76 : x
  2. Step 2: Convert to fraction form
    4,441.76/6,648 = 3,955.76/x
  3. Step 3: Cross multiply
    4,441.76x = 6,648 × 3,955.76
  4. Step 4: Simplify right side
    4,441.76x = 26,297,892.48
  5. Step 5: Solve for x
    x = 26,297,892.48/4,441.76
  6. Step 6: Final answer
    x = 5,920.60

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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.