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Finding the Fourth Proportional to 14,846.68, 20,488.46 and 8,040.69

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Solution

The fourth proportional to 14,846.68, 20,488.46 and 8,040.69 is: 11,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.68 : 20,488.46 = 8,040.69 : x
  2. Step 2: Convert to fraction form
    14,846.68/20,488.46 = 8,040.69/x
  3. Step 3: Cross multiply
    14,846.68x = 20,488.46 × 8,040.69
  4. Step 4: Simplify right side
    14,846.68x = 164,741,355.44
  5. Step 5: Solve for x
    x = 164,741,355.44/14,846.68
  6. Step 6: Final answer
    x = 11,096.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.