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Finding the Fourth Proportional to 9,761.64, 14,643.44 and 2,741.67

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Solution

The fourth proportional to 9,761.64, 14,643.44 and 2,741.67 is: 4,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.64 : 14,643.44 = 2,741.67 : x
  2. Step 2: Convert to fraction form
    9,761.64/14,643.44 = 2,741.67/x
  3. Step 3: Cross multiply
    9,761.64x = 14,643.44 × 2,741.67
  4. Step 4: Simplify right side
    9,761.64x = 40,147,487.00
  5. Step 5: Solve for x
    x = 40,147,487.00/9,761.64
  6. Step 6: Final answer
    x = 4,112.78

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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.