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Finding the Fourth Proportional to 2,103.04, 3,153.44 and 734.08

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Solution

The fourth proportional to 2,103.04, 3,153.44 and 734.08 is: 1,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103.04 : 3,153.44 = 734.08 : x
  2. Step 2: Convert to fraction form
    2,103.04/3,153.44 = 734.08/x
  3. Step 3: Cross multiply
    2,103.04x = 3,153.44 × 734.08
  4. Step 4: Simplify right side
    2,103.04x = 2,314,877.24
  5. Step 5: Solve for x
    x = 2,314,877.24/2,103.04
  6. Step 6: Final answer
    x = 1,100.73

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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.