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Finding the Fourth Proportional to 48,809.94, 73,014.42 and 38,968.44

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Solution

The fourth proportional to 48,809.94, 73,014.42 and 38,968.44 is: 58,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,809.94 : 73,014.42 = 38,968.44 : x
  2. Step 2: Convert to fraction form
    48,809.94/73,014.42 = 38,968.44/x
  3. Step 3: Cross multiply
    48,809.94x = 73,014.42 × 38,968.44
  4. Step 4: Simplify right side
    48,809.94x = 2,845,258,044.90
  5. Step 5: Solve for x
    x = 2,845,258,044.90/48,809.94
  6. Step 6: Final answer
    x = 58,292.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.