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Finding the Fourth Proportional to 3,429.79, 4,733.08 and 1,937.99

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Solution

The fourth proportional to 3,429.79, 4,733.08 and 1,937.99 is: 2,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.79 : 4,733.08 = 1,937.99 : x
  2. Step 2: Convert to fraction form
    3,429.79/4,733.08 = 1,937.99/x
  3. Step 3: Cross multiply
    3,429.79x = 4,733.08 × 1,937.99
  4. Step 4: Simplify right side
    3,429.79x = 9,172,668.70
  5. Step 5: Solve for x
    x = 9,172,668.70/3,429.79
  6. Step 6: Final answer
    x = 2,674.41

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Why These Related Problems?

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