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Finding the Fourth Proportional to 68,481.56, 94,498.98 and 38,264.60

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Solution

The fourth proportional to 68,481.56, 94,498.98 and 38,264.60 is: 52,802.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,481.56 : 94,498.98 = 38,264.60 : x
  2. Step 2: Convert to fraction form
    68,481.56/94,498.98 = 38,264.60/x
  3. Step 3: Cross multiply
    68,481.56x = 94,498.98 × 38,264.60
  4. Step 4: Simplify right side
    68,481.56x = 3,615,965,670.11
  5. Step 5: Solve for x
    x = 3,615,965,670.11/68,481.56
  6. Step 6: Final answer
    x = 52,802.03

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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.