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Finding the Fourth Proportional to 14,173.97, 19,559.75 and 7,713.41

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Solution

The fourth proportional to 14,173.97, 19,559.75 and 7,713.41 is: 10,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173.97 : 19,559.75 = 7,713.41 : x
  2. Step 2: Convert to fraction form
    14,173.97/19,559.75 = 7,713.41/x
  3. Step 3: Cross multiply
    14,173.97x = 19,559.75 × 7,713.41
  4. Step 4: Simplify right side
    14,173.97x = 150,872,234.88
  5. Step 5: Solve for x
    x = 150,872,234.88/14,173.97
  6. Step 6: Final answer
    x = 10,644.32

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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.