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Finding the Fourth Proportional to 77,993.34, 117,002.25 and 33,632.70

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Solution

The fourth proportional to 77,993.34, 117,002.25 and 33,632.70 is: 50,454.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,993.34 : 117,002.25 = 33,632.70 : x
  2. Step 2: Convert to fraction form
    77,993.34/117,002.25 = 33,632.70/x
  3. Step 3: Cross multiply
    77,993.34x = 117,002.25 × 33,632.70
  4. Step 4: Simplify right side
    77,993.34x = 3,935,101,573.58
  5. Step 5: Solve for x
    x = 3,935,101,573.58/77,993.34
  6. Step 6: Final answer
    x = 50,454.33

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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.