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Finding the Fourth Proportional to 19,752.52, 27,258.90 and 11,793.25

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Solution

The fourth proportional to 19,752.52, 27,258.90 and 11,793.25 is: 16,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.52 : 27,258.90 = 11,793.25 : x
  2. Step 2: Convert to fraction form
    19,752.52/27,258.90 = 11,793.25/x
  3. Step 3: Cross multiply
    19,752.52x = 27,258.90 × 11,793.25
  4. Step 4: Simplify right side
    19,752.52x = 321,471,022.43
  5. Step 5: Solve for x
    x = 321,471,022.43/19,752.52
  6. Step 6: Final answer
    x = 16,274.94

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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.