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Finding the Fourth Proportional to 61,532.88, 84,915.41 and 33,238.57

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Solution

The fourth proportional to 61,532.88, 84,915.41 and 33,238.57 is: 45,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,532.88 : 84,915.41 = 33,238.57 : x
  2. Step 2: Convert to fraction form
    61,532.88/84,915.41 = 33,238.57/x
  3. Step 3: Cross multiply
    61,532.88x = 84,915.41 × 33,238.57
  4. Step 4: Simplify right side
    61,532.88x = 2,822,466,799.36
  5. Step 5: Solve for x
    x = 2,822,466,799.36/61,532.88
  6. Step 6: Final answer
    x = 45,869.25

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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.