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Finding the Fourth Proportional to 48,433.36, 72,645.93 and 16,835.31

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Solution

The fourth proportional to 48,433.36, 72,645.93 and 16,835.31 is: 25,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.36 : 72,645.93 = 16,835.31 : x
  2. Step 2: Convert to fraction form
    48,433.36/72,645.93 = 16,835.31/x
  3. Step 3: Cross multiply
    48,433.36x = 72,645.93 × 16,835.31
  4. Step 4: Simplify right side
    48,433.36x = 1,223,016,751.79
  5. Step 5: Solve for x
    x = 1,223,016,751.79/48,433.36
  6. Step 6: Final answer
    x = 25,251.54

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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.