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Finding the Fourth Proportional to 1,244.08, 1,713 and 1,033.84

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Solution

The fourth proportional to 1,244.08, 1,713 and 1,033.84 is: 1,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.08 : 1,713 = 1,033.84 : x
  2. Step 2: Convert to fraction form
    1,244.08/1,713 = 1,033.84/x
  3. Step 3: Cross multiply
    1,244.08x = 1,713 × 1,033.84
  4. Step 4: Simplify right side
    1,244.08x = 1,770,967.92
  5. Step 5: Solve for x
    x = 1,770,967.92/1,244.08
  6. Step 6: Final answer
    x = 1,423.52

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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.