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Finding the Fourth Proportional to 70,794.26, 97,696.77 and 38,963.89

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Solution

The fourth proportional to 70,794.26, 97,696.77 and 38,963.89 is: 53,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,794.26 : 97,696.77 = 38,963.89 : x
  2. Step 2: Convert to fraction form
    70,794.26/97,696.77 = 38,963.89/x
  3. Step 3: Cross multiply
    70,794.26x = 97,696.77 × 38,963.89
  4. Step 4: Simplify right side
    70,794.26x = 3,806,645,516.33
  5. Step 5: Solve for x
    x = 3,806,645,516.33/70,794.26
  6. Step 6: Final answer
    x = 53,770.54

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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.