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Finding the Fourth Proportional to 55,236, 82,699.62 and 29,844.56

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Solution

The fourth proportional to 55,236, 82,699.62 and 29,844.56 is: 44,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236 : 82,699.62 = 29,844.56 : x
  2. Step 2: Convert to fraction form
    55,236/82,699.62 = 29,844.56/x
  3. Step 3: Cross multiply
    55,236x = 82,699.62 × 29,844.56
  4. Step 4: Simplify right side
    55,236x = 2,468,133,771.07
  5. Step 5: Solve for x
    x = 2,468,133,771.07/55,236
  6. Step 6: Final answer
    x = 44,683.43

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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.