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Finding the Fourth Proportional to 9,194.13, 12,672.45 and 7,039.94

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Solution

The fourth proportional to 9,194.13, 12,672.45 and 7,039.94 is: 9,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.13 : 12,672.45 = 7,039.94 : x
  2. Step 2: Convert to fraction form
    9,194.13/12,672.45 = 7,039.94/x
  3. Step 3: Cross multiply
    9,194.13x = 12,672.45 × 7,039.94
  4. Step 4: Simplify right side
    9,194.13x = 89,213,224.29
  5. Step 5: Solve for x
    x = 89,213,224.29/9,194.13
  6. Step 6: Final answer
    x = 9,703.28

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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.