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Finding the Fourth Proportional to 18,583.31, 27,875.07 and 4,732.31

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Solution

The fourth proportional to 18,583.31, 27,875.07 and 4,732.31 is: 7,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.31 : 27,875.07 = 4,732.31 : x
  2. Step 2: Convert to fraction form
    18,583.31/27,875.07 = 4,732.31/x
  3. Step 3: Cross multiply
    18,583.31x = 27,875.07 × 4,732.31
  4. Step 4: Simplify right side
    18,583.31x = 131,913,542.20
  5. Step 5: Solve for x
    x = 131,913,542.20/18,583.31
  6. Step 6: Final answer
    x = 7,098.49

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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.