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Finding the Fourth Proportional to 70,062.39, 96,686.37 and 38,232

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Solution

The fourth proportional to 70,062.39, 96,686.37 and 38,232 is: 52,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,062.39 : 96,686.37 = 38,232 : x
  2. Step 2: Convert to fraction form
    70,062.39/96,686.37 = 38,232/x
  3. Step 3: Cross multiply
    70,062.39x = 96,686.37 × 38,232
  4. Step 4: Simplify right side
    70,062.39x = 3,696,513,297.84
  5. Step 5: Solve for x
    x = 3,696,513,297.84/70,062.39
  6. Step 6: Final answer
    x = 52,760.31

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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.