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Finding the Fourth Proportional to 3,505.91, 4,838.20 and 1,934.03

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Solution

The fourth proportional to 3,505.91, 4,838.20 and 1,934.03 is: 2,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.91 : 4,838.20 = 1,934.03 : x
  2. Step 2: Convert to fraction form
    3,505.91/4,838.20 = 1,934.03/x
  3. Step 3: Cross multiply
    3,505.91x = 4,838.20 × 1,934.03
  4. Step 4: Simplify right side
    3,505.91x = 9,357,231.21
  5. Step 5: Solve for x
    x = 9,357,231.21/3,505.91
  6. Step 6: Final answer
    x = 2,668.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.