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Finding the Fourth Proportional to 967.93, 1,335.77 and 548.27

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Solution

The fourth proportional to 967.93, 1,335.77 and 548.27 is: 756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.93 : 1,335.77 = 548.27 : x
  2. Step 2: Convert to fraction form
    967.93/1,335.77 = 548.27/x
  3. Step 3: Cross multiply
    967.93x = 1,335.77 × 548.27
  4. Step 4: Simplify right side
    967.93x = 732,362.62
  5. Step 5: Solve for x
    x = 732,362.62/967.93
  6. Step 6: Final answer
    x = 756.63

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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.