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Finding the Fourth Proportional to 56,018.52, 84,027.78 and 16,579.08

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Solution

The fourth proportional to 56,018.52, 84,027.78 and 16,579.08 is: 24,868.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.52 : 84,027.78 = 16,579.08 : x
  2. Step 2: Convert to fraction form
    56,018.52/84,027.78 = 16,579.08/x
  3. Step 3: Cross multiply
    56,018.52x = 84,027.78 × 16,579.08
  4. Step 4: Simplify right side
    56,018.52x = 1,393,103,286.84
  5. Step 5: Solve for x
    x = 1,393,103,286.84/56,018.52
  6. Step 6: Final answer
    x = 24,868.62

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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.