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Finding the Fourth Proportional to 1,050.92, 1,450.56 and 757.04

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Solution

The fourth proportional to 1,050.92, 1,450.56 and 757.04 is: 1,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.92 : 1,450.56 = 757.04 : x
  2. Step 2: Convert to fraction form
    1,050.92/1,450.56 = 757.04/x
  3. Step 3: Cross multiply
    1,050.92x = 1,450.56 × 757.04
  4. Step 4: Simplify right side
    1,050.92x = 1,098,131.94
  5. Step 5: Solve for x
    x = 1,098,131.94/1,050.92
  6. Step 6: Final answer
    x = 1,044.92

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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.