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Finding the Fourth Proportional to 12,896.03, 17,796.58 and 7,307.03

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Solution

The fourth proportional to 12,896.03, 17,796.58 and 7,307.03 is: 10,083.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.03 : 17,796.58 = 7,307.03 : x
  2. Step 2: Convert to fraction form
    12,896.03/17,796.58 = 7,307.03/x
  3. Step 3: Cross multiply
    12,896.03x = 17,796.58 × 7,307.03
  4. Step 4: Simplify right side
    12,896.03x = 130,040,107.42
  5. Step 5: Solve for x
    x = 130,040,107.42/12,896.03
  6. Step 6: Final answer
    x = 10,083.73

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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.