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Finding the Fourth Proportional to 33,206.76, 49,829.76 and 13,483.80

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Solution

The fourth proportional to 33,206.76, 49,829.76 and 13,483.80 is: 20,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,206.76 : 49,829.76 = 13,483.80 : x
  2. Step 2: Convert to fraction form
    33,206.76/49,829.76 = 13,483.80/x
  3. Step 3: Cross multiply
    33,206.76x = 49,829.76 × 13,483.80
  4. Step 4: Simplify right side
    33,206.76x = 671,894,517.89
  5. Step 5: Solve for x
    x = 671,894,517.89/33,206.76
  6. Step 6: Final answer
    x = 20,233.67

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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.