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Finding the Fourth Proportional to 70,796.97, 97,700.85 and 38,532.54

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Solution

The fourth proportional to 70,796.97, 97,700.85 and 38,532.54 is: 53,175.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796.97 : 97,700.85 = 38,532.54 : x
  2. Step 2: Convert to fraction form
    70,796.97/97,700.85 = 38,532.54/x
  3. Step 3: Cross multiply
    70,796.97x = 97,700.85 × 38,532.54
  4. Step 4: Simplify right side
    70,796.97x = 3,764,661,910.66
  5. Step 5: Solve for x
    x = 3,764,661,910.66/70,796.97
  6. Step 6: Final answer
    x = 53,175.47

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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.