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Finding the Fourth Proportional to 52,879.17, 72,974.10 and 29,005.41

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Solution

The fourth proportional to 52,879.17, 72,974.10 and 29,005.41 is: 40,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,879.17 : 72,974.10 = 29,005.41 : x
  2. Step 2: Convert to fraction form
    52,879.17/72,974.10 = 29,005.41/x
  3. Step 3: Cross multiply
    52,879.17x = 72,974.10 × 29,005.41
  4. Step 4: Simplify right side
    52,879.17x = 2,116,643,689.88
  5. Step 5: Solve for x
    x = 2,116,643,689.88/52,879.17
  6. Step 6: Final answer
    x = 40,027.93

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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.