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Finding the Fourth Proportional to 4,909.52, 7,364.52 and 1,622.54

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Solution

The fourth proportional to 4,909.52, 7,364.52 and 1,622.54 is: 2,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.52 : 7,364.52 = 1,622.54 : x
  2. Step 2: Convert to fraction form
    4,909.52/7,364.52 = 1,622.54/x
  3. Step 3: Cross multiply
    4,909.52x = 7,364.52 × 1,622.54
  4. Step 4: Simplify right side
    4,909.52x = 11,949,246.69
  5. Step 5: Solve for x
    x = 11,949,246.69/4,909.52
  6. Step 6: Final answer
    x = 2,433.89

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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.