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Finding the Fourth Proportional to 62,841.90, 86,762.43 and 41,649.90

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Solution

The fourth proportional to 62,841.90, 86,762.43 and 41,649.90 is: 57,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,841.90 : 86,762.43 = 41,649.90 : x
  2. Step 2: Convert to fraction form
    62,841.90/86,762.43 = 41,649.90/x
  3. Step 3: Cross multiply
    62,841.90x = 86,762.43 × 41,649.90
  4. Step 4: Simplify right side
    62,841.90x = 3,613,646,533.26
  5. Step 5: Solve for x
    x = 3,613,646,533.26/62,841.90
  6. Step 6: Final answer
    x = 57,503.78

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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.