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Finding the Fourth Proportional to 14,342.93, 19,791.09 and 8,054.09

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Solution

The fourth proportional to 14,342.93, 19,791.09 and 8,054.09 is: 11,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.93 : 19,791.09 = 8,054.09 : x
  2. Step 2: Convert to fraction form
    14,342.93/19,791.09 = 8,054.09/x
  3. Step 3: Cross multiply
    14,342.93x = 19,791.09 × 8,054.09
  4. Step 4: Simplify right side
    14,342.93x = 159,399,220.06
  5. Step 5: Solve for x
    x = 159,399,220.06/14,342.93
  6. Step 6: Final answer
    x = 11,113.43

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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.