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Finding the Fourth Proportional to 13,256.44, 18,295.44 and 7,667.44

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Solution

The fourth proportional to 13,256.44, 18,295.44 and 7,667.44 is: 10,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.44 : 18,295.44 = 7,667.44 : x
  2. Step 2: Convert to fraction form
    13,256.44/18,295.44 = 7,667.44/x
  3. Step 3: Cross multiply
    13,256.44x = 18,295.44 × 7,667.44
  4. Step 4: Simplify right side
    13,256.44x = 140,279,188.47
  5. Step 5: Solve for x
    x = 140,279,188.47/13,256.44
  6. Step 6: Final answer
    x = 10,581.97

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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.