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Finding the Fourth Proportional to 11,449.73, 15,800.79 and 7,468.56

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Solution

The fourth proportional to 11,449.73, 15,800.79 and 7,468.56 is: 10,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.73 : 15,800.79 = 7,468.56 : x
  2. Step 2: Convert to fraction form
    11,449.73/15,800.79 = 7,468.56/x
  3. Step 3: Cross multiply
    11,449.73x = 15,800.79 × 7,468.56
  4. Step 4: Simplify right side
    11,449.73x = 118,009,148.16
  5. Step 5: Solve for x
    x = 118,009,148.16/11,449.73
  6. Step 6: Final answer
    x = 10,306.72

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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.