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Finding the Fourth Proportional to 52,553.96, 72,524 and 28,679.84

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Solution

The fourth proportional to 52,553.96, 72,524 and 28,679.84 is: 39,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,553.96 : 72,524 = 28,679.84 : x
  2. Step 2: Convert to fraction form
    52,553.96/72,524 = 28,679.84/x
  3. Step 3: Cross multiply
    52,553.96x = 72,524 × 28,679.84
  4. Step 4: Simplify right side
    52,553.96x = 2,079,976,716.16
  5. Step 5: Solve for x
    x = 2,079,976,716.16/52,553.96
  6. Step 6: Final answer
    x = 39,577.93

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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.