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Finding the Fourth Proportional to 62,543.69, 86,293.24 and 35,676.39

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Solution

The fourth proportional to 62,543.69, 86,293.24 and 35,676.39 is: 49,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,543.69 : 86,293.24 = 35,676.39 : x
  2. Step 2: Convert to fraction form
    62,543.69/86,293.24 = 35,676.39/x
  3. Step 3: Cross multiply
    62,543.69x = 86,293.24 × 35,676.39
  4. Step 4: Simplify right side
    62,543.69x = 3,078,631,284.60
  5. Step 5: Solve for x
    x = 3,078,631,284.60/62,543.69
  6. Step 6: Final answer
    x = 49,223.69

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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.