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Finding the Fourth Proportional to 60,279.73, 83,169.34 and 34,784.32

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Solution

The fourth proportional to 60,279.73, 83,169.34 and 34,784.32 is: 47,992.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,279.73 : 83,169.34 = 34,784.32 : x
  2. Step 2: Convert to fraction form
    60,279.73/83,169.34 = 34,784.32/x
  3. Step 3: Cross multiply
    60,279.73x = 83,169.34 × 34,784.32
  4. Step 4: Simplify right side
    60,279.73x = 2,892,988,936.75
  5. Step 5: Solve for x
    x = 2,892,988,936.75/60,279.73
  6. Step 6: Final answer
    x = 47,992.73

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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.