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Finding the Fourth Proportional to 32,503.40, 48,755.10 and 28,874.60

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Solution

The fourth proportional to 32,503.40, 48,755.10 and 28,874.60 is: 43,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,503.40 : 48,755.10 = 28,874.60 : x
  2. Step 2: Convert to fraction form
    32,503.40/48,755.10 = 28,874.60/x
  3. Step 3: Cross multiply
    32,503.40x = 48,755.10 × 28,874.60
  4. Step 4: Simplify right side
    32,503.40x = 1,407,784,010.46
  5. Step 5: Solve for x
    x = 1,407,784,010.46/32,503.40
  6. Step 6: Final answer
    x = 43,311.90

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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.