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Finding the Fourth Proportional to 21,498.92, 32,250.41 and 8,352.30

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Solution

The fourth proportional to 21,498.92, 32,250.41 and 8,352.30 is: 12,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.92 : 32,250.41 = 8,352.30 : x
  2. Step 2: Convert to fraction form
    21,498.92/32,250.41 = 8,352.30/x
  3. Step 3: Cross multiply
    21,498.92x = 32,250.41 × 8,352.30
  4. Step 4: Simplify right side
    21,498.92x = 269,365,099.44
  5. Step 5: Solve for x
    x = 269,365,099.44/21,498.92
  6. Step 6: Final answer
    x = 12,529.24

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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.