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Finding the Fourth Proportional to 14,341.79, 19,791.41 and 7,968.38

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Solution

The fourth proportional to 14,341.79, 19,791.41 and 7,968.38 is: 10,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.79 : 19,791.41 = 7,968.38 : x
  2. Step 2: Convert to fraction form
    14,341.79/19,791.41 = 7,968.38/x
  3. Step 3: Cross multiply
    14,341.79x = 19,791.41 × 7,968.38
  4. Step 4: Simplify right side
    14,341.79x = 157,705,336.82
  5. Step 5: Solve for x
    x = 157,705,336.82/14,341.79
  6. Step 6: Final answer
    x = 10,996.21

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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.