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Finding the Fourth Proportional to 61,576.74, 84,976.03 and 33,282.43

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Solution

The fourth proportional to 61,576.74, 84,976.03 and 33,282.43 is: 45,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,576.74 : 84,976.03 = 33,282.43 : x
  2. Step 2: Convert to fraction form
    61,576.74/84,976.03 = 33,282.43/x
  3. Step 3: Cross multiply
    61,576.74x = 84,976.03 × 33,282.43
  4. Step 4: Simplify right side
    61,576.74x = 2,828,208,505.71
  5. Step 5: Solve for x
    x = 2,828,208,505.71/61,576.74
  6. Step 6: Final answer
    x = 45,929.82

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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.