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Finding the Fourth Proportional to 44,992.68, 67,498.43 and 13,402.68

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Solution

The fourth proportional to 44,992.68, 67,498.43 and 13,402.68 is: 20,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,992.68 : 67,498.43 = 13,402.68 : x
  2. Step 2: Convert to fraction form
    44,992.68/67,498.43 = 13,402.68/x
  3. Step 3: Cross multiply
    44,992.68x = 67,498.43 × 13,402.68
  4. Step 4: Simplify right side
    44,992.68x = 904,659,790.78
  5. Step 5: Solve for x
    x = 904,659,790.78/44,992.68
  6. Step 6: Final answer
    x = 20,106.82

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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.