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Finding the Fourth Proportional to 3,774.54, 5,658.58 and 1,433.22

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Solution

The fourth proportional to 3,774.54, 5,658.58 and 1,433.22 is: 2,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.54 : 5,658.58 = 1,433.22 : x
  2. Step 2: Convert to fraction form
    3,774.54/5,658.58 = 1,433.22/x
  3. Step 3: Cross multiply
    3,774.54x = 5,658.58 × 1,433.22
  4. Step 4: Simplify right side
    3,774.54x = 8,109,990.03
  5. Step 5: Solve for x
    x = 8,109,990.03/3,774.54
  6. Step 6: Final answer
    x = 2,148.60

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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.