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Finding the Fourth Proportional to 34,751.43, 52,130.79 and 11,379.69

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Solution

The fourth proportional to 34,751.43, 52,130.79 and 11,379.69 is: 17,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.43 : 52,130.79 = 11,379.69 : x
  2. Step 2: Convert to fraction form
    34,751.43/52,130.79 = 11,379.69/x
  3. Step 3: Cross multiply
    34,751.43x = 52,130.79 × 11,379.69
  4. Step 4: Simplify right side
    34,751.43x = 593,232,229.66
  5. Step 5: Solve for x
    x = 593,232,229.66/34,751.43
  6. Step 6: Final answer
    x = 17,070.73

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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.