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Finding the Fourth Proportional to 73,040.64, 100,796.04 and 39,506.64

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Solution

The fourth proportional to 73,040.64, 100,796.04 and 39,506.64 is: 54,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,040.64 : 100,796.04 = 39,506.64 : x
  2. Step 2: Convert to fraction form
    73,040.64/100,796.04 = 39,506.64/x
  3. Step 3: Cross multiply
    73,040.64x = 100,796.04 × 39,506.64
  4. Step 4: Simplify right side
    73,040.64x = 3,982,112,865.71
  5. Step 5: Solve for x
    x = 3,982,112,865.71/73,040.64
  6. Step 6: Final answer
    x = 54,519.14

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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.