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Finding the Fourth Proportional to 1,752.99, 2,629.49 and 1,665.41

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Solution

The fourth proportional to 1,752.99, 2,629.49 and 1,665.41 is: 2,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.99 : 2,629.49 = 1,665.41 : x
  2. Step 2: Convert to fraction form
    1,752.99/2,629.49 = 1,665.41/x
  3. Step 3: Cross multiply
    1,752.99x = 2,629.49 × 1,665.41
  4. Step 4: Simplify right side
    1,752.99x = 4,379,178.94
  5. Step 5: Solve for x
    x = 4,379,178.94/1,752.99
  6. Step 6: Final answer
    x = 2,498.12

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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.