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Finding the Fourth Proportional to 1,033.28, 1,549.92 and 375.16

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Solution

The fourth proportional to 1,033.28, 1,549.92 and 375.16 is: 562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,033.28 : 1,549.92 = 375.16 : x
  2. Step 2: Convert to fraction form
    1,033.28/1,549.92 = 375.16/x
  3. Step 3: Cross multiply
    1,033.28x = 1,549.92 × 375.16
  4. Step 4: Simplify right side
    1,033.28x = 581,461.96
  5. Step 5: Solve for x
    x = 581,461.96/1,033.28
  6. Step 6: Final answer
    x = 562.73

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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.