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Finding the Fourth Proportional to 55,204.96, 82,753.44 and 21,913.96

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Solution

The fourth proportional to 55,204.96, 82,753.44 and 21,913.96 is: 32,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,204.96 : 82,753.44 = 21,913.96 : x
  2. Step 2: Convert to fraction form
    55,204.96/82,753.44 = 21,913.96/x
  3. Step 3: Cross multiply
    55,204.96x = 82,753.44 × 21,913.96
  4. Step 4: Simplify right side
    55,204.96x = 1,813,455,574.02
  5. Step 5: Solve for x
    x = 1,813,455,574.02/55,204.96
  6. Step 6: Final answer
    x = 32,849.50

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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.