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Finding the Fourth Proportional to 6,751.76, 10,116.72 and 4,408.96

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Solution

The fourth proportional to 6,751.76, 10,116.72 and 4,408.96 is: 6,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.76 : 10,116.72 = 4,408.96 : x
  2. Step 2: Convert to fraction form
    6,751.76/10,116.72 = 4,408.96/x
  3. Step 3: Cross multiply
    6,751.76x = 10,116.72 × 4,408.96
  4. Step 4: Simplify right side
    6,751.76x = 44,604,213.81
  5. Step 5: Solve for x
    x = 44,604,213.81/6,751.76
  6. Step 6: Final answer
    x = 6,606.31

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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.