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Finding the Fourth Proportional to 34,751.75, 52,108.88 and 18,749.86

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Solution

The fourth proportional to 34,751.75, 52,108.88 and 18,749.86 is: 28,114.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.75 : 52,108.88 = 18,749.86 : x
  2. Step 2: Convert to fraction form
    34,751.75/52,108.88 = 18,749.86/x
  3. Step 3: Cross multiply
    34,751.75x = 52,108.88 × 18,749.86
  4. Step 4: Simplify right side
    34,751.75x = 977,033,850.46
  5. Step 5: Solve for x
    x = 977,033,850.46/34,751.75
  6. Step 6: Final answer
    x = 28,114.67

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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.