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Finding the Fourth Proportional to 68,484.88, 94,519.98 and 41,635.80

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Solution

The fourth proportional to 68,484.88, 94,519.98 and 41,635.80 is: 57,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,484.88 : 94,519.98 = 41,635.80 : x
  2. Step 2: Convert to fraction form
    68,484.88/94,519.98 = 41,635.80/x
  3. Step 3: Cross multiply
    68,484.88x = 94,519.98 × 41,635.80
  4. Step 4: Simplify right side
    68,484.88x = 3,935,414,983.28
  5. Step 5: Solve for x
    x = 3,935,414,983.28/68,484.88
  6. Step 6: Final answer
    x = 57,464.00

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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.