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Finding the Fourth Proportional to 51,658.48, 77,364.68 and 35,879.26

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Solution

The fourth proportional to 51,658.48, 77,364.68 and 35,879.26 is: 53,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,658.48 : 77,364.68 = 35,879.26 : x
  2. Step 2: Convert to fraction form
    51,658.48/77,364.68 = 35,879.26/x
  3. Step 3: Cross multiply
    51,658.48x = 77,364.68 × 35,879.26
  4. Step 4: Simplify right side
    51,658.48x = 2,775,787,468.54
  5. Step 5: Solve for x
    x = 2,775,787,468.54/51,658.48
  6. Step 6: Final answer
    x = 53,733.43

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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.