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Finding the Fourth Proportional to 962.02, 1,327.51 and 548.02

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Solution

The fourth proportional to 962.02, 1,327.51 and 548.02 is: 756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    962.02 : 1,327.51 = 548.02 : x
  2. Step 2: Convert to fraction form
    962.02/1,327.51 = 548.02/x
  3. Step 3: Cross multiply
    962.02x = 1,327.51 × 548.02
  4. Step 4: Simplify right side
    962.02x = 727,502.03
  5. Step 5: Solve for x
    x = 727,502.03/962.02
  6. Step 6: Final answer
    x = 756.22

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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.