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Finding the Fourth Proportional to 1,592.31, 2,197.28 and 893.79

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Solution

The fourth proportional to 1,592.31, 2,197.28 and 893.79 is: 1,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.31 : 2,197.28 = 893.79 : x
  2. Step 2: Convert to fraction form
    1,592.31/2,197.28 = 893.79/x
  3. Step 3: Cross multiply
    1,592.31x = 2,197.28 × 893.79
  4. Step 4: Simplify right side
    1,592.31x = 1,963,902.42
  5. Step 5: Solve for x
    x = 1,963,902.42/1,592.31
  6. Step 6: Final answer
    x = 1,233.37

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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.