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Finding the Fourth Proportional to 1,732.87, 2,599.76 and 622.25

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Solution

The fourth proportional to 1,732.87, 2,599.76 and 622.25 is: 933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.87 : 2,599.76 = 622.25 : x
  2. Step 2: Convert to fraction form
    1,732.87/2,599.76 = 622.25/x
  3. Step 3: Cross multiply
    1,732.87x = 2,599.76 × 622.25
  4. Step 4: Simplify right side
    1,732.87x = 1,617,698.97
  5. Step 5: Solve for x
    x = 1,617,698.97/1,732.87
  6. Step 6: Final answer
    x = 933.54

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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.