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Finding the Fourth Proportional to 48,755.76, 73,133.64 and 13,696.62

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Solution

The fourth proportional to 48,755.76, 73,133.64 and 13,696.62 is: 20,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.76 : 73,133.64 = 13,696.62 : x
  2. Step 2: Convert to fraction form
    48,755.76/73,133.64 = 13,696.62/x
  3. Step 3: Cross multiply
    48,755.76x = 73,133.64 × 13,696.62
  4. Step 4: Simplify right side
    48,755.76x = 1,001,683,676.30
  5. Step 5: Solve for x
    x = 1,001,683,676.30/48,755.76
  6. Step 6: Final answer
    x = 20,544.93

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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.