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Finding the Fourth Proportional to 7,326.89, 10,992.16 and 2,132.77

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Solution

The fourth proportional to 7,326.89, 10,992.16 and 2,132.77 is: 3,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.89 : 10,992.16 = 2,132.77 : x
  2. Step 2: Convert to fraction form
    7,326.89/10,992.16 = 2,132.77/x
  3. Step 3: Cross multiply
    7,326.89x = 10,992.16 × 2,132.77
  4. Step 4: Simplify right side
    7,326.89x = 23,443,716.27
  5. Step 5: Solve for x
    x = 23,443,716.27/7,326.89
  6. Step 6: Final answer
    x = 3,199.68

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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.