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Finding the Fourth Proportional to 68,728.34, 94,848.92 and 38,523.37

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Solution

The fourth proportional to 68,728.34, 94,848.92 and 38,523.37 is: 53,164.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,728.34 : 94,848.92 = 38,523.37 : x
  2. Step 2: Convert to fraction form
    68,728.34/94,848.92 = 38,523.37/x
  3. Step 3: Cross multiply
    68,728.34x = 94,848.92 × 38,523.37
  4. Step 4: Simplify right side
    68,728.34x = 3,653,900,039.26
  5. Step 5: Solve for x
    x = 3,653,900,039.26/68,728.34
  6. Step 6: Final answer
    x = 53,164.39

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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.