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Finding the Fourth Proportional to 35,381.70, 53,028.81 and 17,841.96

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Solution

The fourth proportional to 35,381.70, 53,028.81 and 17,841.96 is: 26,740.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,381.70 : 53,028.81 = 17,841.96 : x
  2. Step 2: Convert to fraction form
    35,381.70/53,028.81 = 17,841.96/x
  3. Step 3: Cross multiply
    35,381.70x = 53,028.81 × 17,841.96
  4. Step 4: Simplify right side
    35,381.70x = 946,137,906.87
  5. Step 5: Solve for x
    x = 946,137,906.87/35,381.70
  6. Step 6: Final answer
    x = 26,740.88

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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.