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Finding the Fourth Proportional to 2,735.61, 4,103.90 and 1,132.74

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Solution

The fourth proportional to 2,735.61, 4,103.90 and 1,132.74 is: 1,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.61 : 4,103.90 = 1,132.74 : x
  2. Step 2: Convert to fraction form
    2,735.61/4,103.90 = 1,132.74/x
  3. Step 3: Cross multiply
    2,735.61x = 4,103.90 × 1,132.74
  4. Step 4: Simplify right side
    2,735.61x = 4,648,658.23
  5. Step 5: Solve for x
    x = 4,648,658.23/2,735.61
  6. Step 6: Final answer
    x = 1,699.31

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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.