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Finding the Fourth Proportional to 32,991.62, 49,475.07 and 13,263.48

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Solution

The fourth proportional to 32,991.62, 49,475.07 and 13,263.48 is: 19,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.62 : 49,475.07 = 13,263.48 : x
  2. Step 2: Convert to fraction form
    32,991.62/49,475.07 = 13,263.48/x
  3. Step 3: Cross multiply
    32,991.62x = 49,475.07 × 13,263.48
  4. Step 4: Simplify right side
    32,991.62x = 656,211,601.44
  5. Step 5: Solve for x
    x = 656,211,601.44/32,991.62
  6. Step 6: Final answer
    x = 19,890.25

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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.