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Finding the Fourth Proportional to 18,230.03, 27,345.02 and 4,379.03

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Solution

The fourth proportional to 18,230.03, 27,345.02 and 4,379.03 is: 6,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.03 : 27,345.02 = 4,379.03 : x
  2. Step 2: Convert to fraction form
    18,230.03/27,345.02 = 4,379.03/x
  3. Step 3: Cross multiply
    18,230.03x = 27,345.02 × 4,379.03
  4. Step 4: Simplify right side
    18,230.03x = 119,744,504.31
  5. Step 5: Solve for x
    x = 119,744,504.31/18,230.03
  6. Step 6: Final answer
    x = 6,568.53

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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.