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Finding the Fourth Proportional to 63,696.54, 87,749.28 and 44,540.49

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Solution

The fourth proportional to 63,696.54, 87,749.28 and 44,540.49 is: 61,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.54 : 87,749.28 = 44,540.49 : x
  2. Step 2: Convert to fraction form
    63,696.54/87,749.28 = 44,540.49/x
  3. Step 3: Cross multiply
    63,696.54x = 87,749.28 × 44,540.49
  4. Step 4: Simplify right side
    63,696.54x = 3,908,395,928.35
  5. Step 5: Solve for x
    x = 3,908,395,928.35/63,696.54
  6. Step 6: Final answer
    x = 61,359.63

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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.