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Finding the Fourth Proportional to 27,796.29, 41,664.54 and 12,008.76

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Solution

The fourth proportional to 27,796.29, 41,664.54 and 12,008.76 is: 18,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,796.29 : 41,664.54 = 12,008.76 : x
  2. Step 2: Convert to fraction form
    27,796.29/41,664.54 = 12,008.76/x
  3. Step 3: Cross multiply
    27,796.29x = 41,664.54 × 12,008.76
  4. Step 4: Simplify right side
    27,796.29x = 500,339,461.37
  5. Step 5: Solve for x
    x = 500,339,461.37/27,796.29
  6. Step 6: Final answer
    x = 18,000.22

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1.5x scale

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.