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Finding the Fourth Proportional to 52,604.65, 72,593.26 and 28,731.42

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Solution

The fourth proportional to 52,604.65, 72,593.26 and 28,731.42 is: 39,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,604.65 : 72,593.26 = 28,731.42 : x
  2. Step 2: Convert to fraction form
    52,604.65/72,593.26 = 28,731.42/x
  3. Step 3: Cross multiply
    52,604.65x = 72,593.26 × 28,731.42
  4. Step 4: Simplify right side
    52,604.65x = 2,085,707,442.23
  5. Step 5: Solve for x
    x = 2,085,707,442.23/52,604.65
  6. Step 6: Final answer
    x = 39,648.73

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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.