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Finding the Fourth Proportional to 68,570.39, 94,634.99 and 38,363.37

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Solution

The fourth proportional to 68,570.39, 94,634.99 and 38,363.37 is: 52,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570.39 : 94,634.99 = 38,363.37 : x
  2. Step 2: Convert to fraction form
    68,570.39/94,634.99 = 38,363.37/x
  3. Step 3: Cross multiply
    68,570.39x = 94,634.99 × 38,363.37
  4. Step 4: Simplify right side
    68,570.39x = 3,630,516,663.14
  5. Step 5: Solve for x
    x = 3,630,516,663.14/68,570.39
  6. Step 6: Final answer
    x = 52,945.84

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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.