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Finding the Fourth Proportional to 6,676.16, 9,212.81 and 3,651.23

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Solution

The fourth proportional to 6,676.16, 9,212.81 and 3,651.23 is: 5,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,676.16 : 9,212.81 = 3,651.23 : x
  2. Step 2: Convert to fraction form
    6,676.16/9,212.81 = 3,651.23/x
  3. Step 3: Cross multiply
    6,676.16x = 9,212.81 × 3,651.23
  4. Step 4: Simplify right side
    6,676.16x = 33,638,061.75
  5. Step 5: Solve for x
    x = 33,638,061.75/6,676.16
  6. Step 6: Final answer
    x = 5,038.54

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1.5x scale

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.