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Finding the Fourth Proportional to 11,141.46, 16,712.46 and 3,350.28

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Solution

The fourth proportional to 11,141.46, 16,712.46 and 3,350.28 is: 5,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.46 : 16,712.46 = 3,350.28 : x
  2. Step 2: Convert to fraction form
    11,141.46/16,712.46 = 3,350.28/x
  3. Step 3: Cross multiply
    11,141.46x = 16,712.46 × 3,350.28
  4. Step 4: Simplify right side
    11,141.46x = 55,991,420.49
  5. Step 5: Solve for x
    x = 55,991,420.49/11,141.46
  6. Step 6: Final answer
    x = 5,025.50

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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.