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Finding the Fourth Proportional to 68,633.34, 94,709.62 and 38,413.58

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Solution

The fourth proportional to 68,633.34, 94,709.62 and 38,413.58 is: 53,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,633.34 : 94,709.62 = 38,413.58 : x
  2. Step 2: Convert to fraction form
    68,633.34/94,709.62 = 38,413.58/x
  3. Step 3: Cross multiply
    68,633.34x = 94,709.62 × 38,413.58
  4. Step 4: Simplify right side
    68,633.34x = 3,638,135,564.64
  5. Step 5: Solve for x
    x = 3,638,135,564.64/68,633.34
  6. Step 6: Final answer
    x = 53,008.28

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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.