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Finding the Fourth Proportional to 11,901.96, 17,850.62 and 8,752.68

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Solution

The fourth proportional to 11,901.96, 17,850.62 and 8,752.68 is: 13,127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.96 : 17,850.62 = 8,752.68 : x
  2. Step 2: Convert to fraction form
    11,901.96/17,850.62 = 8,752.68/x
  3. Step 3: Cross multiply
    11,901.96x = 17,850.62 × 8,752.68
  4. Step 4: Simplify right side
    11,901.96x = 156,240,764.66
  5. Step 5: Solve for x
    x = 156,240,764.66/11,901.96
  6. Step 6: Final answer
    x = 13,127.31

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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.