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Finding the Fourth Proportional to 11,708.96, 17,543.79 and 11,253.74

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Solution

The fourth proportional to 11,708.96, 17,543.79 and 11,253.74 is: 16,861.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.96 : 17,543.79 = 11,253.74 : x
  2. Step 2: Convert to fraction form
    11,708.96/17,543.79 = 11,253.74/x
  3. Step 3: Cross multiply
    11,708.96x = 17,543.79 × 11,253.74
  4. Step 4: Simplify right side
    11,708.96x = 197,433,163.56
  5. Step 5: Solve for x
    x = 197,433,163.56/11,708.96
  6. Step 6: Final answer
    x = 16,861.72

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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.