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Finding the Fourth Proportional to 11,046.20, 15,242.37 and 7,468.94

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Solution

The fourth proportional to 11,046.20, 15,242.37 and 7,468.94 is: 10,306.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,046.20 : 15,242.37 = 7,468.94 : x
  2. Step 2: Convert to fraction form
    11,046.20/15,242.37 = 7,468.94/x
  3. Step 3: Cross multiply
    11,046.20x = 15,242.37 × 7,468.94
  4. Step 4: Simplify right side
    11,046.20x = 113,844,346.99
  5. Step 5: Solve for x
    x = 113,844,346.99/11,046.20
  6. Step 6: Final answer
    x = 10,306.20

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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.