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Finding the Fourth Proportional to 11,650.64, 17,475.80 and 3,330.62

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Solution

The fourth proportional to 11,650.64, 17,475.80 and 3,330.62 is: 4,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.64 : 17,475.80 = 3,330.62 : x
  2. Step 2: Convert to fraction form
    11,650.64/17,475.80 = 3,330.62/x
  3. Step 3: Cross multiply
    11,650.64x = 17,475.80 × 3,330.62
  4. Step 4: Simplify right side
    11,650.64x = 58,205,229.23
  5. Step 5: Solve for x
    x = 58,205,229.23/11,650.64
  6. Step 6: Final answer
    x = 4,995.88

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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.