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Finding the Fourth Proportional to 6,495.94, 9,741.48 and 2,112.22

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Solution

The fourth proportional to 6,495.94, 9,741.48 and 2,112.22 is: 3,167.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.94 : 9,741.48 = 2,112.22 : x
  2. Step 2: Convert to fraction form
    6,495.94/9,741.48 = 2,112.22/x
  3. Step 3: Cross multiply
    6,495.94x = 9,741.48 × 2,112.22
  4. Step 4: Simplify right side
    6,495.94x = 20,576,148.89
  5. Step 5: Solve for x
    x = 20,576,148.89/6,495.94
  6. Step 6: Final answer
    x = 3,167.54

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1.5x scale

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.