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Finding the Fourth Proportional to 43,885.32, 65,837.72 and 17,233.88

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Solution

The fourth proportional to 43,885.32, 65,837.72 and 17,233.88 is: 25,854.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,885.32 : 65,837.72 = 17,233.88 : x
  2. Step 2: Convert to fraction form
    43,885.32/65,837.72 = 17,233.88/x
  3. Step 3: Cross multiply
    43,885.32x = 65,837.72 × 17,233.88
  4. Step 4: Simplify right side
    43,885.32x = 1,134,639,365.95
  5. Step 5: Solve for x
    x = 1,134,639,365.95/43,885.32
  6. Step 6: Final answer
    x = 25,854.64

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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.