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Finding the Fourth Proportional to 56,229.40, 84,344.10 and 32,512.60

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Solution

The fourth proportional to 56,229.40, 84,344.10 and 32,512.60 is: 48,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.40 : 84,344.10 = 32,512.60 : x
  2. Step 2: Convert to fraction form
    56,229.40/84,344.10 = 32,512.60/x
  3. Step 3: Cross multiply
    56,229.40x = 84,344.10 × 32,512.60
  4. Step 4: Simplify right side
    56,229.40x = 2,742,245,985.66
  5. Step 5: Solve for x
    x = 2,742,245,985.66/56,229.40
  6. Step 6: Final answer
    x = 48,768.90

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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.