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Finding the Fourth Proportional to 71,504.65, 98,673.01 and 39,673.27

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Solution

The fourth proportional to 71,504.65, 98,673.01 and 39,673.27 is: 54,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,504.65 : 98,673.01 = 39,673.27 : x
  2. Step 2: Convert to fraction form
    71,504.65/98,673.01 = 39,673.27/x
  3. Step 3: Cross multiply
    71,504.65x = 98,673.01 × 39,673.27
  4. Step 4: Simplify right side
    71,504.65x = 3,914,680,967.44
  5. Step 5: Solve for x
    x = 3,914,680,967.44/71,504.65
  6. Step 6: Final answer
    x = 54,747.22

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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.