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Finding the Fourth Proportional to 70,025.42, 96,634.94 and 38,194.32

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Solution

The fourth proportional to 70,025.42, 96,634.94 and 38,194.32 is: 52,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,025.42 : 96,634.94 = 38,194.32 : x
  2. Step 2: Convert to fraction form
    70,025.42/96,634.94 = 38,194.32/x
  3. Step 3: Cross multiply
    70,025.42x = 96,634.94 × 38,194.32
  4. Step 4: Simplify right side
    70,025.42x = 3,690,905,821.54
  5. Step 5: Solve for x
    x = 3,690,905,821.54/70,025.42
  6. Step 6: Final answer
    x = 52,708.09

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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.