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Finding the Fourth Proportional to 70,863.25, 97,784.19 and 43,634.97

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Solution

The fourth proportional to 70,863.25, 97,784.19 and 43,634.97 is: 60,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,863.25 : 97,784.19 = 43,634.97 : x
  2. Step 2: Convert to fraction form
    70,863.25/97,784.19 = 43,634.97/x
  3. Step 3: Cross multiply
    70,863.25x = 97,784.19 × 43,634.97
  4. Step 4: Simplify right side
    70,863.25x = 4,266,810,197.12
  5. Step 5: Solve for x
    x = 4,266,810,197.12/70,863.25
  6. Step 6: Final answer
    x = 60,211.89

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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.