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Finding the Fourth Proportional to 70,060.63, 96,686 and 38,231.27

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Solution

The fourth proportional to 70,060.63, 96,686 and 38,231.27 is: 52,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,060.63 : 96,686 = 38,231.27 : x
  2. Step 2: Convert to fraction form
    70,060.63/96,686 = 38,231.27/x
  3. Step 3: Cross multiply
    70,060.63x = 96,686 × 38,231.27
  4. Step 4: Simplify right side
    70,060.63x = 3,696,428,812.94
  5. Step 5: Solve for x
    x = 3,696,428,812.94/70,060.63
  6. Step 6: Final answer
    x = 52,760.43

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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.