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Finding the Fourth Proportional to 60,742.56, 91,115.99 and 16,370.39

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Solution

The fourth proportional to 60,742.56, 91,115.99 and 16,370.39 is: 24,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,742.56 : 91,115.99 = 16,370.39 : x
  2. Step 2: Convert to fraction form
    60,742.56/91,115.99 = 16,370.39/x
  3. Step 3: Cross multiply
    60,742.56x = 91,115.99 × 16,370.39
  4. Step 4: Simplify right side
    60,742.56x = 1,491,603,754.10
  5. Step 5: Solve for x
    x = 1,491,603,754.10/60,742.56
  6. Step 6: Final answer
    x = 24,556.16

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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.