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Finding the Fourth Proportional to 11,757.54, 17,623.98 and 5,512.32

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Solution

The fourth proportional to 11,757.54, 17,623.98 and 5,512.32 is: 8,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757.54 : 17,623.98 = 5,512.32 : x
  2. Step 2: Convert to fraction form
    11,757.54/17,623.98 = 5,512.32/x
  3. Step 3: Cross multiply
    11,757.54x = 17,623.98 × 5,512.32
  4. Step 4: Simplify right side
    11,757.54x = 97,149,017.43
  5. Step 5: Solve for x
    x = 97,149,017.43/11,757.54
  6. Step 6: Final answer
    x = 8,262.70

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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.