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Finding the Fourth Proportional to 18,324.68, 27,483.90 and 5,173.98

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Solution

The fourth proportional to 18,324.68, 27,483.90 and 5,173.98 is: 7,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.68 : 27,483.90 = 5,173.98 : x
  2. Step 2: Convert to fraction form
    18,324.68/27,483.90 = 5,173.98/x
  3. Step 3: Cross multiply
    18,324.68x = 27,483.90 × 5,173.98
  4. Step 4: Simplify right side
    18,324.68x = 142,201,148.92
  5. Step 5: Solve for x
    x = 142,201,148.92/18,324.68
  6. Step 6: Final answer
    x = 7,760.09

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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.