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Finding the Fourth Proportional to 27,998.86, 41,993.43 and 9,530.86

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Solution

The fourth proportional to 27,998.86, 41,993.43 and 9,530.86 is: 14,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.86 : 41,993.43 = 9,530.86 : x
  2. Step 2: Convert to fraction form
    27,998.86/41,993.43 = 9,530.86/x
  3. Step 3: Cross multiply
    27,998.86x = 41,993.43 × 9,530.86
  4. Step 4: Simplify right side
    27,998.86x = 400,233,502.25
  5. Step 5: Solve for x
    x = 400,233,502.25/27,998.86
  6. Step 6: Final answer
    x = 14,294.64

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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.