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Finding the Fourth Proportional to 27,027.94, 40,541.91 and 8,558.50

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Solution

The fourth proportional to 27,027.94, 40,541.91 and 8,558.50 is: 12,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,027.94 : 40,541.91 = 8,558.50 : x
  2. Step 2: Convert to fraction form
    27,027.94/40,541.91 = 8,558.50/x
  3. Step 3: Cross multiply
    27,027.94x = 40,541.91 × 8,558.50
  4. Step 4: Simplify right side
    27,027.94x = 346,977,936.74
  5. Step 5: Solve for x
    x = 346,977,936.74/27,027.94
  6. Step 6: Final answer
    x = 12,837.75

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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.