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Finding the Fourth Proportional to 59,408.89, 89,118 and 17,289.54

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Solution

The fourth proportional to 59,408.89, 89,118 and 17,289.54 is: 25,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,408.89 : 89,118 = 17,289.54 : x
  2. Step 2: Convert to fraction form
    59,408.89/89,118 = 17,289.54/x
  3. Step 3: Cross multiply
    59,408.89x = 89,118 × 17,289.54
  4. Step 4: Simplify right side
    59,408.89x = 1,540,809,225.72
  5. Step 5: Solve for x
    x = 1,540,809,225.72/59,408.89
  6. Step 6: Final answer
    x = 25,935.67

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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.