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Finding the Fourth Proportional to 18,633.52, 27,947.40 and 5,483.44

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Solution

The fourth proportional to 18,633.52, 27,947.40 and 5,483.44 is: 8,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.52 : 27,947.40 = 5,483.44 : x
  2. Step 2: Convert to fraction form
    18,633.52/27,947.40 = 5,483.44/x
  3. Step 3: Cross multiply
    18,633.52x = 27,947.40 × 5,483.44
  4. Step 4: Simplify right side
    18,633.52x = 153,247,891.06
  5. Step 5: Solve for x
    x = 153,247,891.06/18,633.52
  6. Step 6: Final answer
    x = 8,224.31

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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.