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Finding the Fourth Proportional to 52,896.62, 72,996.76 and 29,023.28

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Solution

The fourth proportional to 52,896.62, 72,996.76 and 29,023.28 is: 40,051.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,896.62 : 72,996.76 = 29,023.28 : x
  2. Step 2: Convert to fraction form
    52,896.62/72,996.76 = 29,023.28/x
  3. Step 3: Cross multiply
    52,896.62x = 72,996.76 × 29,023.28
  4. Step 4: Simplify right side
    52,896.62x = 2,118,605,404.57
  5. Step 5: Solve for x
    x = 2,118,605,404.57/52,896.62
  6. Step 6: Final answer
    x = 40,051.81

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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.