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Finding the Fourth Proportional to 18,195.59, 27,293.40 and 5,048.48

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Solution

The fourth proportional to 18,195.59, 27,293.40 and 5,048.48 is: 7,572.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.59 : 27,293.40 = 5,048.48 : x
  2. Step 2: Convert to fraction form
    18,195.59/27,293.40 = 5,048.48/x
  3. Step 3: Cross multiply
    18,195.59x = 27,293.40 × 5,048.48
  4. Step 4: Simplify right side
    18,195.59x = 137,790,252.27
  5. Step 5: Solve for x
    x = 137,790,252.27/18,195.59
  6. Step 6: Final answer
    x = 7,572.73

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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.