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Finding the Fourth Proportional to 48,419.57, 72,641.03 and 16,825.03

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Solution

The fourth proportional to 48,419.57, 72,641.03 and 16,825.03 is: 25,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,419.57 : 72,641.03 = 16,825.03 : x
  2. Step 2: Convert to fraction form
    48,419.57/72,641.03 = 16,825.03/x
  3. Step 3: Cross multiply
    48,419.57x = 72,641.03 × 16,825.03
  4. Step 4: Simplify right side
    48,419.57x = 1,222,187,508.98
  5. Step 5: Solve for x
    x = 1,222,187,508.98/48,419.57
  6. Step 6: Final answer
    x = 25,241.60

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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.