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Finding the Fourth Proportional to 67,001.79, 100,408.20 and 37,029.53

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Solution

The fourth proportional to 67,001.79, 100,408.20 and 37,029.53 is: 55,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,001.79 : 100,408.20 = 37,029.53 : x
  2. Step 2: Convert to fraction form
    67,001.79/100,408.20 = 37,029.53/x
  3. Step 3: Cross multiply
    67,001.79x = 100,408.20 × 37,029.53
  4. Step 4: Simplify right side
    67,001.79x = 3,718,067,766.96
  5. Step 5: Solve for x
    x = 3,718,067,766.96/67,001.79
  6. Step 6: Final answer
    x = 55,492.07

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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.