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Finding the Fourth Proportional to 1,034.94, 1,552.41 and 983.03

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Solution

The fourth proportional to 1,034.94, 1,552.41 and 983.03 is: 1,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.94 : 1,552.41 = 983.03 : x
  2. Step 2: Convert to fraction form
    1,034.94/1,552.41 = 983.03/x
  3. Step 3: Cross multiply
    1,034.94x = 1,552.41 × 983.03
  4. Step 4: Simplify right side
    1,034.94x = 1,526,060.69
  5. Step 5: Solve for x
    x = 1,526,060.69/1,034.94
  6. Step 6: Final answer
    x = 1,474.54

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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.