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Finding the Fourth Proportional to 57,927.84, 86,893.28 and 18,484.92

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Solution

The fourth proportional to 57,927.84, 86,893.28 and 18,484.92 is: 27,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,927.84 : 86,893.28 = 18,484.92 : x
  2. Step 2: Convert to fraction form
    57,927.84/86,893.28 = 18,484.92/x
  3. Step 3: Cross multiply
    57,927.84x = 86,893.28 × 18,484.92
  4. Step 4: Simplify right side
    57,927.84x = 1,606,215,236.91
  5. Step 5: Solve for x
    x = 1,606,215,236.91/57,927.84
  6. Step 6: Final answer
    x = 27,727.86

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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.