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Finding the Fourth Proportional to 11,755.95, 17,648.96 and 10,100.67

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Solution

The fourth proportional to 11,755.95, 17,648.96 and 10,100.67 is: 15,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.95 : 17,648.96 = 10,100.67 : x
  2. Step 2: Convert to fraction form
    11,755.95/17,648.96 = 10,100.67/x
  3. Step 3: Cross multiply
    11,755.95x = 17,648.96 × 10,100.67
  4. Step 4: Simplify right side
    11,755.95x = 178,266,270.30
  5. Step 5: Solve for x
    x = 178,266,270.30/11,755.95
  6. Step 6: Final answer
    x = 15,163.92

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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.