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Finding the Fourth Proportional to 34,257.60, 51,285.60 and 25,531.20

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Solution

The fourth proportional to 34,257.60, 51,285.60 and 25,531.20 is: 38,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,257.60 : 51,285.60 = 25,531.20 : x
  2. Step 2: Convert to fraction form
    34,257.60/51,285.60 = 25,531.20/x
  3. Step 3: Cross multiply
    34,257.60x = 51,285.60 × 25,531.20
  4. Step 4: Simplify right side
    34,257.60x = 1,309,382,910.72
  5. Step 5: Solve for x
    x = 1,309,382,910.72/34,257.60
  6. Step 6: Final answer
    x = 38,221.68

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1.5x scale

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.