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Finding the Fourth Proportional to 71,504.96, 98,675.16 and 39,673.04

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Solution

The fourth proportional to 71,504.96, 98,675.16 and 39,673.04 is: 54,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,504.96 : 98,675.16 = 39,673.04 : x
  2. Step 2: Convert to fraction form
    71,504.96/98,675.16 = 39,673.04/x
  3. Step 3: Cross multiply
    71,504.96x = 98,675.16 × 39,673.04
  4. Step 4: Simplify right side
    71,504.96x = 3,914,743,569.69
  5. Step 5: Solve for x
    x = 3,914,743,569.69/71,504.96
  6. Step 6: Final answer
    x = 54,747.86

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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.