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Finding the Fourth Proportional to 45,425.66, 68,119.04 and 15,834.74

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Solution

The fourth proportional to 45,425.66, 68,119.04 and 15,834.74 is: 23,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.66 : 68,119.04 = 15,834.74 : x
  2. Step 2: Convert to fraction form
    45,425.66/68,119.04 = 15,834.74/x
  3. Step 3: Cross multiply
    45,425.66x = 68,119.04 × 15,834.74
  4. Step 4: Simplify right side
    45,425.66x = 1,078,647,287.45
  5. Step 5: Solve for x
    x = 1,078,647,287.45/45,425.66
  6. Step 6: Final answer
    x = 23,745.33

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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.