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Finding the Fourth Proportional to 27,836.48, 38,414.88 and 15,260.48

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Solution

The fourth proportional to 27,836.48, 38,414.88 and 15,260.48 is: 21,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,836.48 : 38,414.88 = 15,260.48 : x
  2. Step 2: Convert to fraction form
    27,836.48/38,414.88 = 15,260.48/x
  3. Step 3: Cross multiply
    27,836.48x = 38,414.88 × 15,260.48
  4. Step 4: Simplify right side
    27,836.48x = 586,229,507.94
  5. Step 5: Solve for x
    x = 586,229,507.94/27,836.48
  6. Step 6: Final answer
    x = 21,059.76

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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.