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Finding the Fourth Proportional to 32,511.60, 48,864.60 and 28,234.80

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Solution

The fourth proportional to 32,511.60, 48,864.60 and 28,234.80 is: 42,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,511.60 : 48,864.60 = 28,234.80 : x
  2. Step 2: Convert to fraction form
    32,511.60/48,864.60 = 28,234.80/x
  3. Step 3: Cross multiply
    32,511.60x = 48,864.60 × 28,234.80
  4. Step 4: Simplify right side
    32,511.60x = 1,379,682,208.08
  5. Step 5: Solve for x
    x = 1,379,682,208.08/32,511.60
  6. Step 6: Final answer
    x = 42,436.61

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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.