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Finding the Fourth Proportional to 9,169.99, 13,754.87 and 2,929.92

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Solution

The fourth proportional to 9,169.99, 13,754.87 and 2,929.92 is: 4,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169.99 : 13,754.87 = 2,929.92 : x
  2. Step 2: Convert to fraction form
    9,169.99/13,754.87 = 2,929.92/x
  3. Step 3: Cross multiply
    9,169.99x = 13,754.87 × 2,929.92
  4. Step 4: Simplify right side
    9,169.99x = 40,300,668.71
  5. Step 5: Solve for x
    x = 40,300,668.71/9,169.99
  6. Step 6: Final answer
    x = 4,394.84

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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.