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Finding the Fourth Proportional to 38,806.80, 58,161.50 and 16,594.06

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Solution

The fourth proportional to 38,806.80, 58,161.50 and 16,594.06 is: 24,870.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.80 : 58,161.50 = 16,594.06 : x
  2. Step 2: Convert to fraction form
    38,806.80/58,161.50 = 16,594.06/x
  3. Step 3: Cross multiply
    38,806.80x = 58,161.50 × 16,594.06
  4. Step 4: Simplify right side
    38,806.80x = 965,135,420.69
  5. Step 5: Solve for x
    x = 965,135,420.69/38,806.80
  6. Step 6: Final answer
    x = 24,870.27

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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.