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Finding the Fourth Proportional to 44,806.03, 67,218.80 and 13,640.47

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Solution

The fourth proportional to 44,806.03, 67,218.80 and 13,640.47 is: 20,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,806.03 : 67,218.80 = 13,640.47 : x
  2. Step 2: Convert to fraction form
    44,806.03/67,218.80 = 13,640.47/x
  3. Step 3: Cross multiply
    44,806.03x = 67,218.80 × 13,640.47
  4. Step 4: Simplify right side
    44,806.03x = 916,895,788.59
  5. Step 5: Solve for x
    x = 916,895,788.59/44,806.03
  6. Step 6: Final answer
    x = 20,463.67

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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.