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Finding the Fourth Proportional to 15,667.72, 23,507.73 and 6,896.48

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Solution

The fourth proportional to 15,667.72, 23,507.73 and 6,896.48 is: 10,347.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.72 : 23,507.73 = 6,896.48 : x
  2. Step 2: Convert to fraction form
    15,667.72/23,507.73 = 6,896.48/x
  3. Step 3: Cross multiply
    15,667.72x = 23,507.73 × 6,896.48
  4. Step 4: Simplify right side
    15,667.72x = 162,120,648.56
  5. Step 5: Solve for x
    x = 162,120,648.56/15,667.72
  6. Step 6: Final answer
    x = 10,347.43

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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.