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Finding the Fourth Proportional to 38,806.62, 58,208.31 and 11,104.62

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Solution

The fourth proportional to 38,806.62, 58,208.31 and 11,104.62 is: 16,656.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.62 : 58,208.31 = 11,104.62 : x
  2. Step 2: Convert to fraction form
    38,806.62/58,208.31 = 11,104.62/x
  3. Step 3: Cross multiply
    38,806.62x = 58,208.31 × 11,104.62
  4. Step 4: Simplify right side
    38,806.62x = 646,381,163.39
  5. Step 5: Solve for x
    x = 646,381,163.39/38,806.62
  6. Step 6: Final answer
    x = 16,656.47

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1.5x scale

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.