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Finding the Fourth Proportional to 52,517.74, 72,474.43 and 28,644.34

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Solution

The fourth proportional to 52,517.74, 72,474.43 and 28,644.34 is: 39,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517.74 : 72,474.43 = 28,644.34 : x
  2. Step 2: Convert to fraction form
    52,517.74/72,474.43 = 28,644.34/x
  3. Step 3: Cross multiply
    52,517.74x = 72,474.43 × 28,644.34
  4. Step 4: Simplify right side
    52,517.74x = 2,075,981,851.85
  5. Step 5: Solve for x
    x = 2,075,981,851.85/52,517.74
  6. Step 6: Final answer
    x = 39,529.16

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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.