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Finding the Fourth Proportional to 2,735.01, 4,103.19 and 787.23

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Solution

The fourth proportional to 2,735.01, 4,103.19 and 787.23 is: 1,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.01 : 4,103.19 = 787.23 : x
  2. Step 2: Convert to fraction form
    2,735.01/4,103.19 = 787.23/x
  3. Step 3: Cross multiply
    2,735.01x = 4,103.19 × 787.23
  4. Step 4: Simplify right side
    2,735.01x = 3,230,154.26
  5. Step 5: Solve for x
    x = 3,230,154.26/2,735.01
  6. Step 6: Final answer
    x = 1,181.04

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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.