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Finding the Fourth Proportional to 11,742.08, 17,597.92 and 8,958.48

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Solution

The fourth proportional to 11,742.08, 17,597.92 and 8,958.48 is: 13,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.08 : 17,597.92 = 8,958.48 : x
  2. Step 2: Convert to fraction form
    11,742.08/17,597.92 = 8,958.48/x
  3. Step 3: Cross multiply
    11,742.08x = 17,597.92 × 8,958.48
  4. Step 4: Simplify right side
    11,742.08x = 157,650,614.36
  5. Step 5: Solve for x
    x = 157,650,614.36/11,742.08
  6. Step 6: Final answer
    x = 13,426.12

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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.