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Finding the Fourth Proportional to 1,034.57, 1,426.33 and 750.73

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Solution

The fourth proportional to 1,034.57, 1,426.33 and 750.73 is: 1,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.57 : 1,426.33 = 750.73 : x
  2. Step 2: Convert to fraction form
    1,034.57/1,426.33 = 750.73/x
  3. Step 3: Cross multiply
    1,034.57x = 1,426.33 × 750.73
  4. Step 4: Simplify right side
    1,034.57x = 1,070,788.72
  5. Step 5: Solve for x
    x = 1,070,788.72/1,034.57
  6. Step 6: Final answer
    x = 1,035.01

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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.