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Finding the Fourth Proportional to 61,576.80, 84,976.02 and 33,282.54

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Solution

The fourth proportional to 61,576.80, 84,976.02 and 33,282.54 is: 45,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,576.80 : 84,976.02 = 33,282.54 : x
  2. Step 2: Convert to fraction form
    61,576.80/84,976.02 = 33,282.54/x
  3. Step 3: Cross multiply
    61,576.80x = 84,976.02 × 33,282.54
  4. Step 4: Simplify right side
    61,576.80x = 2,828,217,784.69
  5. Step 5: Solve for x
    x = 2,828,217,784.69/61,576.80
  6. Step 6: Final answer
    x = 45,929.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.