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Finding the Fourth Proportional to 18,295.13, 27,443.48 and 8,924.00

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Solution

The fourth proportional to 18,295.13, 27,443.48 and 8,924.00 is: 13,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.13 : 27,443.48 = 8,924.00 : x
  2. Step 2: Convert to fraction form
    18,295.13/27,443.48 = 8,924.00/x
  3. Step 3: Cross multiply
    18,295.13x = 27,443.48 × 8,924.00
  4. Step 4: Simplify right side
    18,295.13x = 244,905,433.68
  5. Step 5: Solve for x
    x = 244,905,433.68/18,295.13
  6. Step 6: Final answer
    x = 13,386.37

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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.