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Finding the Fourth Proportional to 56,339.52, 84,522.24 and 18,904.56

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Solution

The fourth proportional to 56,339.52, 84,522.24 and 18,904.56 is: 28,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.52 : 84,522.24 = 18,904.56 : x
  2. Step 2: Convert to fraction form
    56,339.52/84,522.24 = 18,904.56/x
  3. Step 3: Cross multiply
    56,339.52x = 84,522.24 × 18,904.56
  4. Step 4: Simplify right side
    56,339.52x = 1,597,855,757.41
  5. Step 5: Solve for x
    x = 1,597,855,757.41/56,339.52
  6. Step 6: Final answer
    x = 28,361.19

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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.