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Finding the Fourth Proportional to 18,582.65, 27,859.11 and 9,693.52

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Solution

The fourth proportional to 18,582.65, 27,859.11 and 9,693.52 is: 14,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,582.65 : 27,859.11 = 9,693.52 : x
  2. Step 2: Convert to fraction form
    18,582.65/27,859.11 = 9,693.52/x
  3. Step 3: Cross multiply
    18,582.65x = 27,859.11 × 9,693.52
  4. Step 4: Simplify right side
    18,582.65x = 270,052,917.94
  5. Step 5: Solve for x
    x = 270,052,917.94/18,582.65
  6. Step 6: Final answer
    x = 14,532.53

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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.