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Finding the Fourth Proportional to 52,894.77, 72,994.21 and 29,021.44

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Solution

The fourth proportional to 52,894.77, 72,994.21 and 29,021.44 is: 40,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,894.77 : 72,994.21 = 29,021.44 : x
  2. Step 2: Convert to fraction form
    52,894.77/72,994.21 = 29,021.44/x
  3. Step 3: Cross multiply
    52,894.77x = 72,994.21 × 29,021.44
  4. Step 4: Simplify right side
    52,894.77x = 2,118,397,130.93
  5. Step 5: Solve for x
    x = 2,118,397,130.93/52,894.77
  6. Step 6: Final answer
    x = 40,049.27

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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.