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Finding the Fourth Proportional to 11,351.59, 15,654.21 and 7,574.92

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Solution

The fourth proportional to 11,351.59, 15,654.21 and 7,574.92 is: 10,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.59 : 15,654.21 = 7,574.92 : x
  2. Step 2: Convert to fraction form
    11,351.59/15,654.21 = 7,574.92/x
  3. Step 3: Cross multiply
    11,351.59x = 15,654.21 × 7,574.92
  4. Step 4: Simplify right side
    11,351.59x = 118,579,363.48
  5. Step 5: Solve for x
    x = 118,579,363.48/11,351.59
  6. Step 6: Final answer
    x = 10,446.05

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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.