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Finding the Fourth Proportional to 68,590.82, 94,659.01 and 38,374.34

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Solution

The fourth proportional to 68,590.82, 94,659.01 and 38,374.34 is: 52,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.82 : 94,659.01 = 38,374.34 : x
  2. Step 2: Convert to fraction form
    68,590.82/94,659.01 = 38,374.34/x
  3. Step 3: Cross multiply
    68,590.82x = 94,659.01 × 38,374.34
  4. Step 4: Simplify right side
    68,590.82x = 3,632,477,212.89
  5. Step 5: Solve for x
    x = 3,632,477,212.89/68,590.82
  6. Step 6: Final answer
    x = 52,958.65

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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.