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Finding the Fourth Proportional to 1,033.06, 1,422.04 and 901.84

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Solution

The fourth proportional to 1,033.06, 1,422.04 and 901.84 is: 1,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.06 : 1,422.04 = 901.84 : x
  2. Step 2: Convert to fraction form
    1,033.06/1,422.04 = 901.84/x
  3. Step 3: Cross multiply
    1,033.06x = 1,422.04 × 901.84
  4. Step 4: Simplify right side
    1,033.06x = 1,282,452.55
  5. Step 5: Solve for x
    x = 1,282,452.55/1,033.06
  6. Step 6: Final answer
    x = 1,241.41

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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.