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Finding the Fourth Proportional to 23,402.42, 35,108.34 and 8,611.41

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Solution

The fourth proportional to 23,402.42, 35,108.34 and 8,611.41 is: 12,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,402.42 : 35,108.34 = 8,611.41 : x
  2. Step 2: Convert to fraction form
    23,402.42/35,108.34 = 8,611.41/x
  3. Step 3: Cross multiply
    23,402.42x = 35,108.34 × 8,611.41
  4. Step 4: Simplify right side
    23,402.42x = 302,332,409.52
  5. Step 5: Solve for x
    x = 302,332,409.52/23,402.42
  6. Step 6: Final answer
    x = 12,918.85

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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.