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Finding the Fourth Proportional to 44,802.18, 67,200.84 and 13,635

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Solution

The fourth proportional to 44,802.18, 67,200.84 and 13,635 is: 20,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,802.18 : 67,200.84 = 13,635 : x
  2. Step 2: Convert to fraction form
    44,802.18/67,200.84 = 13,635/x
  3. Step 3: Cross multiply
    44,802.18x = 67,200.84 × 13,635
  4. Step 4: Simplify right side
    44,802.18x = 916,283,453.40
  5. Step 5: Solve for x
    x = 916,283,453.40/44,802.18
  6. Step 6: Final answer
    x = 20,451.76

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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.