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Finding the Fourth Proportional to 62,257.50, 85,915.36 and 33,963.30

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Solution

The fourth proportional to 62,257.50, 85,915.36 and 33,963.30 is: 46,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,257.50 : 85,915.36 = 33,963.30 : x
  2. Step 2: Convert to fraction form
    62,257.50/85,915.36 = 33,963.30/x
  3. Step 3: Cross multiply
    62,257.50x = 85,915.36 × 33,963.30
  4. Step 4: Simplify right side
    62,257.50x = 2,917,969,146.29
  5. Step 5: Solve for x
    x = 2,917,969,146.29/62,257.50
  6. Step 6: Final answer
    x = 46,869.36

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1.5x scale

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.