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Finding the Fourth Proportional to 1,337.04, 1,844.52 and 839.44

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Solution

The fourth proportional to 1,337.04, 1,844.52 and 839.44 is: 1,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.04 : 1,844.52 = 839.44 : x
  2. Step 2: Convert to fraction form
    1,337.04/1,844.52 = 839.44/x
  3. Step 3: Cross multiply
    1,337.04x = 1,844.52 × 839.44
  4. Step 4: Simplify right side
    1,337.04x = 1,548,363.87
  5. Step 5: Solve for x
    x = 1,548,363.87/1,337.04
  6. Step 6: Final answer
    x = 1,158.05

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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.