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Finding the Fourth Proportional to 51,658.98, 77,365.43 and 35,879.76

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Solution

The fourth proportional to 51,658.98, 77,365.43 and 35,879.76 is: 53,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,658.98 : 77,365.43 = 35,879.76 : x
  2. Step 2: Convert to fraction form
    51,658.98/77,365.43 = 35,879.76/x
  3. Step 3: Cross multiply
    51,658.98x = 77,365.43 × 35,879.76
  4. Step 4: Simplify right side
    51,658.98x = 2,775,853,060.70
  5. Step 5: Solve for x
    x = 2,775,853,060.70/51,658.98
  6. Step 6: Final answer
    x = 53,734.18

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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.