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Finding the Fourth Proportional to 27,887.76, 41,837.04 and 12,305.52

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Solution

The fourth proportional to 27,887.76, 41,837.04 and 12,305.52 is: 18,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887.76 : 41,837.04 = 12,305.52 : x
  2. Step 2: Convert to fraction form
    27,887.76/41,837.04 = 12,305.52/x
  3. Step 3: Cross multiply
    27,887.76x = 41,837.04 × 12,305.52
  4. Step 4: Simplify right side
    27,887.76x = 514,826,532.46
  5. Step 5: Solve for x
    x = 514,826,532.46/27,887.76
  6. Step 6: Final answer
    x = 18,460.66

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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.