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Finding the Fourth Proportional to 11,491.70, 17,241.65 and 5,652.41

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Solution

The fourth proportional to 11,491.70, 17,241.65 and 5,652.41 is: 8,480.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.70 : 17,241.65 = 5,652.41 : x
  2. Step 2: Convert to fraction form
    11,491.70/17,241.65 = 5,652.41/x
  3. Step 3: Cross multiply
    11,491.70x = 17,241.65 × 5,652.41
  4. Step 4: Simplify right side
    11,491.70x = 97,456,760.41
  5. Step 5: Solve for x
    x = 97,456,760.41/11,491.70
  6. Step 6: Final answer
    x = 8,480.63

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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.