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Finding the Fourth Proportional to 56,586.89, 84,797.25 and 28,468.29

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Solution

The fourth proportional to 56,586.89, 84,797.25 and 28,468.29 is: 42,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,586.89 : 84,797.25 = 28,468.29 : x
  2. Step 2: Convert to fraction form
    56,586.89/84,797.25 = 28,468.29/x
  3. Step 3: Cross multiply
    56,586.89x = 84,797.25 × 28,468.29
  4. Step 4: Simplify right side
    56,586.89x = 2,414,032,704.20
  5. Step 5: Solve for x
    x = 2,414,032,704.20/56,586.89
  6. Step 6: Final answer
    x = 42,660.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.