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Finding the Fourth Proportional to 32,503.63, 48,755.44 and 7,879.63

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Solution

The fourth proportional to 32,503.63, 48,755.44 and 7,879.63 is: 11,819.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,503.63 : 48,755.44 = 7,879.63 : x
  2. Step 2: Convert to fraction form
    32,503.63/48,755.44 = 7,879.63/x
  3. Step 3: Cross multiply
    32,503.63x = 48,755.44 × 7,879.63
  4. Step 4: Simplify right side
    32,503.63x = 384,174,827.69
  5. Step 5: Solve for x
    x = 384,174,827.69/32,503.63
  6. Step 6: Final answer
    x = 11,819.44

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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.