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Finding the Fourth Proportional to 18,480.28, 27,722.22 and 17,483.80

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Solution

The fourth proportional to 18,480.28, 27,722.22 and 17,483.80 is: 26,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.28 : 27,722.22 = 17,483.80 : x
  2. Step 2: Convert to fraction form
    18,480.28/27,722.22 = 17,483.80/x
  3. Step 3: Cross multiply
    18,480.28x = 27,722.22 × 17,483.80
  4. Step 4: Simplify right side
    18,480.28x = 484,689,750.04
  5. Step 5: Solve for x
    x = 484,689,750.04/18,480.28
  6. Step 6: Final answer
    x = 26,227.40

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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.