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Finding the Fourth Proportional to 56,339.92, 84,388.39 and 53,027.64

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Solution

The fourth proportional to 56,339.92, 84,388.39 and 53,027.64 is: 79,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,339.92 : 84,388.39 = 53,027.64 : x
  2. Step 2: Convert to fraction form
    56,339.92/84,388.39 = 53,027.64/x
  3. Step 3: Cross multiply
    56,339.92x = 84,388.39 × 53,027.64
  4. Step 4: Simplify right side
    56,339.92x = 4,474,917,165.10
  5. Step 5: Solve for x
    x = 4,474,917,165.10/56,339.92
  6. Step 6: Final answer
    x = 79,427.11

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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.