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Finding the Fourth Proportional to 59,745.08, 89,630.58 and 18,191

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Solution

The fourth proportional to 59,745.08, 89,630.58 and 18,191 is: 27,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,745.08 : 89,630.58 = 18,191 : x
  2. Step 2: Convert to fraction form
    59,745.08/89,630.58 = 18,191/x
  3. Step 3: Cross multiply
    59,745.08x = 89,630.58 × 18,191
  4. Step 4: Simplify right side
    59,745.08x = 1,630,469,880.78
  5. Step 5: Solve for x
    x = 1,630,469,880.78/59,745.08
  6. Step 6: Final answer
    x = 27,290.45

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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.