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Finding the Fourth Proportional to 14,493.06, 21,739.92 and 8,208.17

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Solution

The fourth proportional to 14,493.06, 21,739.92 and 8,208.17 is: 12,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.06 : 21,739.92 = 8,208.17 : x
  2. Step 2: Convert to fraction form
    14,493.06/21,739.92 = 8,208.17/x
  3. Step 3: Cross multiply
    14,493.06x = 21,739.92 × 8,208.17
  4. Step 4: Simplify right side
    14,493.06x = 178,444,850.45
  5. Step 5: Solve for x
    x = 178,444,850.45/14,493.06
  6. Step 6: Final answer
    x = 12,312.43

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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.