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Finding the Fourth Proportional to 34,751.49, 52,108.50 and 18,749.61

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Solution

The fourth proportional to 34,751.49, 52,108.50 and 18,749.61 is: 28,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.49 : 52,108.50 = 18,749.61 : x
  2. Step 2: Convert to fraction form
    34,751.49/52,108.50 = 18,749.61/x
  3. Step 3: Cross multiply
    34,751.49x = 52,108.50 × 18,749.61
  4. Step 4: Simplify right side
    34,751.49x = 977,013,792.14
  5. Step 5: Solve for x
    x = 977,013,792.14/34,751.49
  6. Step 6: Final answer
    x = 28,114.30

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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.