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Finding the Fourth Proportional to 55,361.79, 82,903.77 and 34,214.94

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Solution

The fourth proportional to 55,361.79, 82,903.77 and 34,214.94 is: 51,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.79 : 82,903.77 = 34,214.94 : x
  2. Step 2: Convert to fraction form
    55,361.79/82,903.77 = 34,214.94/x
  3. Step 3: Cross multiply
    55,361.79x = 82,903.77 × 34,214.94
  4. Step 4: Simplify right side
    55,361.79x = 2,836,547,516.32
  5. Step 5: Solve for x
    x = 2,836,547,516.32/55,361.79
  6. Step 6: Final answer
    x = 51,236.56

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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.