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Finding the Fourth Proportional to 12,671.96, 17,483.03 and 8,201.36

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Solution

The fourth proportional to 12,671.96, 17,483.03 and 8,201.36 is: 11,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.96 : 17,483.03 = 8,201.36 : x
  2. Step 2: Convert to fraction form
    12,671.96/17,483.03 = 8,201.36/x
  3. Step 3: Cross multiply
    12,671.96x = 17,483.03 × 8,201.36
  4. Step 4: Simplify right side
    12,671.96x = 143,384,581.91
  5. Step 5: Solve for x
    x = 143,384,581.91/12,671.96
  6. Step 6: Final answer
    x = 11,315.11

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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.