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Finding the Fourth Proportional to 9,308.52, 12,845.94 and 5,116.92

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Solution

The fourth proportional to 9,308.52, 12,845.94 and 5,116.92 is: 7,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.52 : 12,845.94 = 5,116.92 : x
  2. Step 2: Convert to fraction form
    9,308.52/12,845.94 = 5,116.92/x
  3. Step 3: Cross multiply
    9,308.52x = 12,845.94 × 5,116.92
  4. Step 4: Simplify right side
    9,308.52x = 65,731,647.30
  5. Step 5: Solve for x
    x = 65,731,647.30/9,308.52
  6. Step 6: Final answer
    x = 7,061.45

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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.