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Finding the Third Proportional to 4,738.50 and 7,569

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Solution

The third proportional to 4,738.50 and 7,569 is: 12,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.50 : 7,569 = 7,569 : x
  2. Step 2: Convert to fraction form
    4,738.50/7,569 = 7,569/x
  3. Step 3: Cross multiply
    4,738.50x = 7,569 × 7,569
  4. Step 4: Simplify right side
    4,738.50x = 57,289,761
  5. Step 5: Solve for x
    x = 57,289,761/4,738.50
  6. Step 6: Final answer
    x = 12,090.27

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.