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Finding the Fourth Proportional to 48,369.89, 72,540.25 and 17,203.25

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Solution

The fourth proportional to 48,369.89, 72,540.25 and 17,203.25 is: 25,799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,369.89 : 72,540.25 = 17,203.25 : x
  2. Step 2: Convert to fraction form
    48,369.89/72,540.25 = 17,203.25/x
  3. Step 3: Cross multiply
    48,369.89x = 72,540.25 × 17,203.25
  4. Step 4: Simplify right side
    48,369.89x = 1,247,928,055.81
  5. Step 5: Solve for x
    x = 1,247,928,055.81/48,369.89
  6. Step 6: Final answer
    x = 25,799.69

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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.