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Finding the Fourth Proportional to 1,033.61, 1,550.49 and 375.88

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Solution

The fourth proportional to 1,033.61, 1,550.49 and 375.88 is: 563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.61 : 1,550.49 = 375.88 : x
  2. Step 2: Convert to fraction form
    1,033.61/1,550.49 = 375.88/x
  3. Step 3: Cross multiply
    1,033.61x = 1,550.49 × 375.88
  4. Step 4: Simplify right side
    1,033.61x = 582,798.18
  5. Step 5: Solve for x
    x = 582,798.18/1,033.61
  6. Step 6: Final answer
    x = 563.85

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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.