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Finding the Fourth Proportional to 1,033.94, 1,552.94 and 803.30

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Solution

The fourth proportional to 1,033.94, 1,552.94 and 803.30 is: 1,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.94 : 1,552.94 = 803.30 : x
  2. Step 2: Convert to fraction form
    1,033.94/1,552.94 = 803.30/x
  3. Step 3: Cross multiply
    1,033.94x = 1,552.94 × 803.30
  4. Step 4: Simplify right side
    1,033.94x = 1,247,476.70
  5. Step 5: Solve for x
    x = 1,247,476.70/1,033.94
  6. Step 6: Final answer
    x = 1,206.53

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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.