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Finding the Fourth Proportional to 18,347.27, 27,501.54 and 8,493

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Solution

The fourth proportional to 18,347.27, 27,501.54 and 8,493 is: 12,730.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.27 : 27,501.54 = 8,493 : x
  2. Step 2: Convert to fraction form
    18,347.27/27,501.54 = 8,493/x
  3. Step 3: Cross multiply
    18,347.27x = 27,501.54 × 8,493
  4. Step 4: Simplify right side
    18,347.27x = 233,570,579.22
  5. Step 5: Solve for x
    x = 233,570,579.22/18,347.27
  6. Step 6: Final answer
    x = 12,730.54

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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.