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Finding the Fourth Proportional to 27,164.68, 40,753.16 and 12,369.64

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Solution

The fourth proportional to 27,164.68, 40,753.16 and 12,369.64 is: 18,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.68 : 40,753.16 = 12,369.64 : x
  2. Step 2: Convert to fraction form
    27,164.68/40,753.16 = 12,369.64/x
  3. Step 3: Cross multiply
    27,164.68x = 40,753.16 × 12,369.64
  4. Step 4: Simplify right side
    27,164.68x = 504,101,918.06
  5. Step 5: Solve for x
    x = 504,101,918.06/27,164.68
  6. Step 6: Final answer
    x = 18,557.26

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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.