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Finding the Fourth Proportional to 8,693.44, 13,040.64 and 2,850.88

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Solution

The fourth proportional to 8,693.44, 13,040.64 and 2,850.88 is: 4,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.44 : 13,040.64 = 2,850.88 : x
  2. Step 2: Convert to fraction form
    8,693.44/13,040.64 = 2,850.88/x
  3. Step 3: Cross multiply
    8,693.44x = 13,040.64 × 2,850.88
  4. Step 4: Simplify right side
    8,693.44x = 37,177,299.76
  5. Step 5: Solve for x
    x = 37,177,299.76/8,693.44
  6. Step 6: Final answer
    x = 4,276.48

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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.