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Finding the Fourth Proportional to 1,474.54, 2,034.18 and 884.05

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Solution

The fourth proportional to 1,474.54, 2,034.18 and 884.05 is: 1,219.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.54 : 2,034.18 = 884.05 : x
  2. Step 2: Convert to fraction form
    1,474.54/2,034.18 = 884.05/x
  3. Step 3: Cross multiply
    1,474.54x = 2,034.18 × 884.05
  4. Step 4: Simplify right side
    1,474.54x = 1,798,311.74
  5. Step 5: Solve for x
    x = 1,798,311.74/1,474.54
  6. Step 6: Final answer
    x = 1,219.58

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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.