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Finding the Fourth Proportional to 1,629.77, 2,441.38 and 751.04

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Solution

The fourth proportional to 1,629.77, 2,441.38 and 751.04 is: 1,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.77 : 2,441.38 = 751.04 : x
  2. Step 2: Convert to fraction form
    1,629.77/2,441.38 = 751.04/x
  3. Step 3: Cross multiply
    1,629.77x = 2,441.38 × 751.04
  4. Step 4: Simplify right side
    1,629.77x = 1,833,576.98
  5. Step 5: Solve for x
    x = 1,833,576.98/1,629.77
  6. Step 6: Final answer
    x = 1,125.05

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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.