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Finding the Fourth Proportional to 8,993.52, 13,491.54 and 2,419.92

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Solution

The fourth proportional to 8,993.52, 13,491.54 and 2,419.92 is: 3,630.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,993.52 : 13,491.54 = 2,419.92 : x
  2. Step 2: Convert to fraction form
    8,993.52/13,491.54 = 2,419.92/x
  3. Step 3: Cross multiply
    8,993.52x = 13,491.54 × 2,419.92
  4. Step 4: Simplify right side
    8,993.52x = 32,648,447.48
  5. Step 5: Solve for x
    x = 32,648,447.48/8,993.52
  6. Step 6: Final answer
    x = 3,630.22

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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.