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Finding the Fourth Proportional to 27,329.76, 40,992.60 and 7,337.60

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Solution

The fourth proportional to 27,329.76, 40,992.60 and 7,337.60 is: 11,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.76 : 40,992.60 = 7,337.60 : x
  2. Step 2: Convert to fraction form
    27,329.76/40,992.60 = 7,337.60/x
  3. Step 3: Cross multiply
    27,329.76x = 40,992.60 × 7,337.60
  4. Step 4: Simplify right side
    27,329.76x = 300,787,301.76
  5. Step 5: Solve for x
    x = 300,787,301.76/27,329.76
  6. Step 6: Final answer
    x = 11,005.85

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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.