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Finding the Fourth Proportional to 14,849.44, 20,491.44 and 8,133.76

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Solution

The fourth proportional to 14,849.44, 20,491.44 and 8,133.76 is: 11,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,849.44 : 20,491.44 = 8,133.76 : x
  2. Step 2: Convert to fraction form
    14,849.44/20,491.44 = 8,133.76/x
  3. Step 3: Cross multiply
    14,849.44x = 20,491.44 × 8,133.76
  4. Step 4: Simplify right side
    14,849.44x = 166,672,455.01
  5. Step 5: Solve for x
    x = 166,672,455.01/14,849.44
  6. Step 6: Final answer
    x = 11,224.16

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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.