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Finding the Fourth Proportional to 68,866.98, 95,032.44 and 38,649.48

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Solution

The fourth proportional to 68,866.98, 95,032.44 and 38,649.48 is: 53,334.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,866.98 : 95,032.44 = 38,649.48 : x
  2. Step 2: Convert to fraction form
    68,866.98/95,032.44 = 38,649.48/x
  3. Step 3: Cross multiply
    68,866.98x = 95,032.44 × 38,649.48
  4. Step 4: Simplify right side
    68,866.98x = 3,672,954,389.13
  5. Step 5: Solve for x
    x = 3,672,954,389.13/68,866.98
  6. Step 6: Final answer
    x = 53,334.04

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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.