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Finding the Fourth Proportional to 10,865.49, 14,993.86 and 6,672.93

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Solution

The fourth proportional to 10,865.49, 14,993.86 and 6,672.93 is: 9,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.49 : 14,993.86 = 6,672.93 : x
  2. Step 2: Convert to fraction form
    10,865.49/14,993.86 = 6,672.93/x
  3. Step 3: Cross multiply
    10,865.49x = 14,993.86 × 6,672.93
  4. Step 4: Simplify right side
    10,865.49x = 100,053,015.69
  5. Step 5: Solve for x
    x = 100,053,015.69/10,865.49
  6. Step 6: Final answer
    x = 9,208.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.