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Finding the Fourth Proportional to 43,581.96, 65,312.46 and 22,763.88

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Solution

The fourth proportional to 43,581.96, 65,312.46 and 22,763.88 is: 34,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,581.96 : 65,312.46 = 22,763.88 : x
  2. Step 2: Convert to fraction form
    43,581.96/65,312.46 = 22,763.88/x
  3. Step 3: Cross multiply
    43,581.96x = 65,312.46 × 22,763.88
  4. Step 4: Simplify right side
    43,581.96x = 1,486,765,001.94
  5. Step 5: Solve for x
    x = 1,486,765,001.94/43,581.96
  6. Step 6: Final answer
    x = 34,114.23

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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.