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Finding the Fourth Proportional to 43,712.76, 65,598.30 and 22,672.20

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Solution

The fourth proportional to 43,712.76, 65,598.30 and 22,672.20 is: 34,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,712.76 : 65,598.30 = 22,672.20 : x
  2. Step 2: Convert to fraction form
    43,712.76/65,598.30 = 22,672.20/x
  3. Step 3: Cross multiply
    43,712.76x = 65,598.30 × 22,672.20
  4. Step 4: Simplify right side
    43,712.76x = 1,487,257,777.26
  5. Step 5: Solve for x
    x = 1,487,257,777.26/43,712.76
  6. Step 6: Final answer
    x = 34,023.42

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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.