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Finding the Fourth Proportional to 70,229.93, 96,893.56 and 39,993.82

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Solution

The fourth proportional to 70,229.93, 96,893.56 and 39,993.82 is: 55,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,229.93 : 96,893.56 = 39,993.82 : x
  2. Step 2: Convert to fraction form
    70,229.93/96,893.56 = 39,993.82/x
  3. Step 3: Cross multiply
    70,229.93x = 96,893.56 × 39,993.82
  4. Step 4: Simplify right side
    70,229.93x = 3,875,143,597.80
  5. Step 5: Solve for x
    x = 3,875,143,597.80/70,229.93
  6. Step 6: Final answer
    x = 55,177.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.