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Finding the Fourth Proportional to 14,576.99, 21,874.37 and 5,811.22

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Solution

The fourth proportional to 14,576.99, 21,874.37 and 5,811.22 is: 8,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.99 : 21,874.37 = 5,811.22 : x
  2. Step 2: Convert to fraction form
    14,576.99/21,874.37 = 5,811.22/x
  3. Step 3: Cross multiply
    14,576.99x = 21,874.37 × 5,811.22
  4. Step 4: Simplify right side
    14,576.99x = 127,116,776.43
  5. Step 5: Solve for x
    x = 127,116,776.43/14,576.99
  6. Step 6: Final answer
    x = 8,720.37

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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.