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Finding the Fourth Proportional to 7,538, 11,307 and 2,066

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Solution

The fourth proportional to 7,538, 11,307 and 2,066 is: 3,099

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538 : 11,307 = 2,066 : x
  2. Step 2: Convert to fraction form
    7,538/11,307 = 2,066/x
  3. Step 3: Cross multiply
    7,538x = 11,307 × 2,066
  4. Step 4: Simplify right side
    7,538x = 23,360,262
  5. Step 5: Solve for x
    x = 23,360,262/7,538
  6. Step 6: Final answer
    x = 3,099

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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.