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Finding the Fourth Proportional to 77,658.01, 116,467.77 and 33,279.73

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Solution

The fourth proportional to 77,658.01, 116,467.77 and 33,279.73 is: 49,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,658.01 : 116,467.77 = 33,279.73 : x
  2. Step 2: Convert to fraction form
    77,658.01/116,467.77 = 33,279.73/x
  3. Step 3: Cross multiply
    77,658.01x = 116,467.77 × 33,279.73
  4. Step 4: Simplify right side
    77,658.01x = 3,876,015,772.93
  5. Step 5: Solve for x
    x = 3,876,015,772.93/77,658.01
  6. Step 6: Final answer
    x = 49,911.35

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1.5x scale

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.