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Finding the Fourth Proportional to 1,551.73, 2,324.47 and 933.54

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Solution

The fourth proportional to 1,551.73, 2,324.47 and 933.54 is: 1,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.73 : 2,324.47 = 933.54 : x
  2. Step 2: Convert to fraction form
    1,551.73/2,324.47 = 933.54/x
  3. Step 3: Cross multiply
    1,551.73x = 2,324.47 × 933.54
  4. Step 4: Simplify right side
    1,551.73x = 2,169,985.72
  5. Step 5: Solve for x
    x = 2,169,985.72/1,551.73
  6. Step 6: Final answer
    x = 1,398.43

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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.