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Finding the Fourth Proportional to 18,448.91, 27,673.54 and 5,301.28

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Solution

The fourth proportional to 18,448.91, 27,673.54 and 5,301.28 is: 7,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.91 : 27,673.54 = 5,301.28 : x
  2. Step 2: Convert to fraction form
    18,448.91/27,673.54 = 5,301.28/x
  3. Step 3: Cross multiply
    18,448.91x = 27,673.54 × 5,301.28
  4. Step 4: Simplify right side
    18,448.91x = 146,705,205.47
  5. Step 5: Solve for x
    x = 146,705,205.47/18,448.91
  6. Step 6: Final answer
    x = 7,951.97

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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.