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Finding the Fourth Proportional to 52,992.48, 73,126.08 and 29,118

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Solution

The fourth proportional to 52,992.48, 73,126.08 and 29,118 is: 40,180.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.48 : 73,126.08 = 29,118 : x
  2. Step 2: Convert to fraction form
    52,992.48/73,126.08 = 29,118/x
  3. Step 3: Cross multiply
    52,992.48x = 73,126.08 × 29,118
  4. Step 4: Simplify right side
    52,992.48x = 2,129,285,197.44
  5. Step 5: Solve for x
    x = 2,129,285,197.44/52,992.48
  6. Step 6: Final answer
    x = 40,180.89

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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.