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Finding the Fourth Proportional to 27,186.48, 37,517.48 and 15,863.92

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Solution

The fourth proportional to 27,186.48, 37,517.48 and 15,863.92 is: 21,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,186.48 : 37,517.48 = 15,863.92 : x
  2. Step 2: Convert to fraction form
    27,186.48/37,517.48 = 15,863.92/x
  3. Step 3: Cross multiply
    27,186.48x = 37,517.48 × 15,863.92
  4. Step 4: Simplify right side
    27,186.48x = 595,174,301.32
  5. Step 5: Solve for x
    x = 595,174,301.32/27,186.48
  6. Step 6: Final answer
    x = 21,892.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.