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Finding the Fourth Proportional to 27,048, 40,555.59 and 12,236.52

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Solution

The fourth proportional to 27,048, 40,555.59 and 12,236.52 is: 18,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,048 : 40,555.59 = 12,236.52 : x
  2. Step 2: Convert to fraction form
    27,048/40,555.59 = 12,236.52/x
  3. Step 3: Cross multiply
    27,048x = 40,555.59 × 12,236.52
  4. Step 4: Simplify right side
    27,048x = 496,259,288.15
  5. Step 5: Solve for x
    x = 496,259,288.15/27,048
  6. Step 6: Final answer
    x = 18,347.36

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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.