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Finding the Fourth Proportional to 67,408.94, 101,115.82 and 25,284.74

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Solution

The fourth proportional to 67,408.94, 101,115.82 and 25,284.74 is: 37,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,408.94 : 101,115.82 = 25,284.74 : x
  2. Step 2: Convert to fraction form
    67,408.94/101,115.82 = 25,284.74/x
  3. Step 3: Cross multiply
    67,408.94x = 101,115.82 × 25,284.74
  4. Step 4: Simplify right side
    67,408.94x = 2,556,687,218.59
  5. Step 5: Solve for x
    x = 2,556,687,218.59/67,408.94
  6. Step 6: Final answer
    x = 37,928.01

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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.