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Finding the Fourth Proportional to 52,605.68, 72,594.67 and 28,732.44

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Solution

The fourth proportional to 52,605.68, 72,594.67 and 28,732.44 is: 39,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,605.68 : 72,594.67 = 28,732.44 : x
  2. Step 2: Convert to fraction form
    52,605.68/72,594.67 = 28,732.44/x
  3. Step 3: Cross multiply
    52,605.68x = 72,594.67 × 28,732.44
  4. Step 4: Simplify right side
    52,605.68x = 2,085,821,856.43
  5. Step 5: Solve for x
    x = 2,085,821,856.43/52,605.68
  6. Step 6: Final answer
    x = 39,650.13

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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.