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Finding the Fourth Proportional to 27,049.38, 40,570.93 and 7,329.42

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Solution

The fourth proportional to 27,049.38, 40,570.93 and 7,329.42 is: 10,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,049.38 : 40,570.93 = 7,329.42 : x
  2. Step 2: Convert to fraction form
    27,049.38/40,570.93 = 7,329.42/x
  3. Step 3: Cross multiply
    27,049.38x = 40,570.93 × 7,329.42
  4. Step 4: Simplify right side
    27,049.38x = 297,361,468.86
  5. Step 5: Solve for x
    x = 297,361,468.86/27,049.38
  6. Step 6: Final answer
    x = 10,993.28

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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.