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Finding the Fourth Proportional to 43,563.88, 65,258.32 and 36,871.68

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Solution

The fourth proportional to 43,563.88, 65,258.32 and 36,871.68 is: 55,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,563.88 : 65,258.32 = 36,871.68 : x
  2. Step 2: Convert to fraction form
    43,563.88/65,258.32 = 36,871.68/x
  3. Step 3: Cross multiply
    43,563.88x = 65,258.32 × 36,871.68
  4. Step 4: Simplify right side
    43,563.88x = 2,406,183,892.38
  5. Step 5: Solve for x
    x = 2,406,183,892.38/43,563.88
  6. Step 6: Final answer
    x = 55,233.46

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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.