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Finding the Fourth Proportional to 11,253.16, 16,879.74 and 2,933.15

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Solution

The fourth proportional to 11,253.16, 16,879.74 and 2,933.15 is: 4,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.16 : 16,879.74 = 2,933.15 : x
  2. Step 2: Convert to fraction form
    11,253.16/16,879.74 = 2,933.15/x
  3. Step 3: Cross multiply
    11,253.16x = 16,879.74 × 2,933.15
  4. Step 4: Simplify right side
    11,253.16x = 49,510,809.38
  5. Step 5: Solve for x
    x = 49,510,809.38/11,253.16
  6. Step 6: Final answer
    x = 4,399.73

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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.