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Finding the Fourth Proportional to 18,359.53, 27,541.10 and 5,876.41

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Solution

The fourth proportional to 18,359.53, 27,541.10 and 5,876.41 is: 8,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.53 : 27,541.10 = 5,876.41 : x
  2. Step 2: Convert to fraction form
    18,359.53/27,541.10 = 5,876.41/x
  3. Step 3: Cross multiply
    18,359.53x = 27,541.10 × 5,876.41
  4. Step 4: Simplify right side
    18,359.53x = 161,842,795.45
  5. Step 5: Solve for x
    x = 161,842,795.45/18,359.53
  6. Step 6: Final answer
    x = 8,815.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.