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Finding the Fourth Proportional to 11,903.56, 17,858.94 and 4,510.28

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Solution

The fourth proportional to 11,903.56, 17,858.94 and 4,510.28 is: 6,766.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.56 : 17,858.94 = 4,510.28 : x
  2. Step 2: Convert to fraction form
    11,903.56/17,858.94 = 4,510.28/x
  3. Step 3: Cross multiply
    11,903.56x = 17,858.94 × 4,510.28
  4. Step 4: Simplify right side
    11,903.56x = 80,548,819.90
  5. Step 5: Solve for x
    x = 80,548,819.90/11,903.56
  6. Step 6: Final answer
    x = 6,766.78

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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.