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Finding the Fourth Proportional to 14,342.66, 19,793.13 and 7,969.84

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Solution

The fourth proportional to 14,342.66, 19,793.13 and 7,969.84 is: 10,998.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.66 : 19,793.13 = 7,969.84 : x
  2. Step 2: Convert to fraction form
    14,342.66/19,793.13 = 7,969.84/x
  3. Step 3: Cross multiply
    14,342.66x = 19,793.13 × 7,969.84
  4. Step 4: Simplify right side
    14,342.66x = 157,748,039.35
  5. Step 5: Solve for x
    x = 157,748,039.35/14,342.66
  6. Step 6: Final answer
    x = 10,998.52

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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.